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A short course of lectures
«The handy dinosaur answer book »





Have dinosaur fossils been found in any U.S. metropolitan areas?Why do scientists believe that several ice ages occurred during the late Pre-Cambrian era?Has there been any evidence of a recent killer asteroid?What were some of the earliest species that led to amphibians?Have any other soft parts of dinosaurs been found?What is one of the most famous dinosaur sites in the world today?In general, what characteristics determine if a dinosaur skeleton is a sauropod?Besides dinosaurs, what other land animals were present during the Jurassic period?Where were the oldest fossilized dinosaur embryos found?Who was Edward Drinker Cope?Have other clutches of dinosaur eggs been discovered?Have other skeletons of Archaeopteryx been found?What were two of the earliest known ornithischian dinosaurs?What carnivorous dinosaur fossils had traces of a bird-like beak?TIME PERIODSAre there any dinosaur books that are suitable for children and families?What is the significance of the Hogback Ridge on the Colorado and Utah border?Did any dinosaurs live in the colder, polar regions?BEGINNINGS OF LIFEIn general, how do scientists decide the bone positions of dinosaur skeletons?Did dinosaurs urinate?Did any ceratosaurs live in the Cretaceous period?How are the saurischian dinosaurs classified?What are the more recent time divisions on the geologic time scale?What does the term dinosaur mean?Who was Gideon Mantell?When did the age of dinosaurs end?Did any Triassic period dinosaurs live in the oceans?Are there any books about dinosaur expeditions and paleontologists?What bone phenomena do both humans and dinosaurs share?TEETH AND CLAWSWhat is an important factor in determining the probable motion of dinosaurs?ORNITHISCHIAN DINOSAURSWho first suggested that some dinosaurs were bipedal?What is the Tendaguru formation?Where was the second oldest dinosaur found?What were some of the earliest known reptiles?What are trace fossils?What was unusual about the teeth of a Tyrannosaurus rex?What were the major marine animals living during the Cretaceous period?Besides dinosaurs, what other animals were present during the Cretaceous period?Where were fossil remains of a Suchomimus tenerensis found?How did the Majungatholus remains explain dinosaur migration from South America to Madagascar?Where are extremely large dinosaur bones being found and why?How long ago did the dinosaurs disappear?What are some books dealing with general dinosaur information?What did a dinosaur nest look like?What ornithopod dinosaurs lived in the Jurassic period?What is the poison plant theory of dinosaur extinction?What bones held the dinosaurs teeth?DINOSAUR QUIRKSWhat creatures did Edward Hitchcock think made the Connecticut dinosaur tracks?FORMING FOSSILSWhat caused the early Earths water and atmosphere to form?What mysteries did the remains of the dinosaur Majungatholus solve?What caused asymmetrical bone growth in dinosaurs?What is an extinction?When was the first Tyrannosaurus rex fossil discovered in the United States?What can some trace fossils of dinosaur tracks tell us?Who first hypothesized the impact scenario?What were the titanosaurids?Have any dinosaur eggs been found in a dinosaurs belly area?Why arent huge amounts of dinosaur bones found in late Cretaceous period rock layers?How do scientists determine the age of fossils?Can scientists see the Cretaceous boundary in rock?How did the reptiles give rise to the dinosaurs?What did our planet look like at the start of the Triassic period?Who is Paul C. Sereno?Who first published a scientific name for fossilized dinosaur bones?When did larger cells develop?What were the ankylosaurs?OTHER LIFE IN THE JURASSICWere there dinosaurs at the beginning of the Mesozoic?What formal studies would lead to my becoming a professional paleontologist?What were the marginocephalians?How did the end of the Cretaceous period rank among Earths extinctions?Where and when were dinosaur fossils first discovered in the United States?How many species of dinosaurs are currently known?What were the pachycephalosaurs like?Why did the reptiles dominate during the Mesozoic but not the amphibians?How did dinosaurs evolve?What were the iguanodons like?What were the prosauropods?RESOURCESWhere were the bones of an Anchisaurus first found in the United States?What could have caused lower oxygen levels at the end of the Cretaceous period?What can paleontologists tell about the lifestyle of a large carnivore (theropod) from its fossil bones?Mammals and Their Reptile-like Relatives (Synapsids)Do all paleontologists believe that birds and dinosaurs are related?What are some of the largest dinosaur trackways in North America?Do scientists believe the Microraptor could fly?How long after the asteroid impact did the dinosaurs become extinct?What were the unique characteristics of the Therizinosauria?What are continental drift and plate tectonics?How is a dinosaur currently defined using cladistic analysis?DINOSAUR SKINDo dinosaurs noses indicate they were not warm-blooded?What was one of the most important changes that enabled reptiles to become true land-dwelling animals?What do traumatic fractures in the bones of large theropods (carnivores) tell us about the behavior of these animals?Were the arms of some carnivorous dinosaurs used for anything?What is the Cretaceous/Tertiary boundary and what does it indicate about the extinction at the end of the Cretaceous period?What are some findings from the Utah Cretaceous period fossils?What types of plants did not disappear at the end of the Cretaceous period?What are some of the major dinosaurs that lived during the Jurassic period?GENERAL JURASSIC DINOSAUR FACTSDid all dinosaurs lay eggs?What Jurassic period dinosaur was formerly called Brontosaurus?Who is Peter M. Galton?IN THE BEGINNINGOTHER LIFE DURING THE TRIASSICWhat were some of the early dinosaurs?Where did tetrapods live on Pangea during the Late Triassic period?HOW TO FIND DINOSAUR BONESWere east coast dinosaur tracks found by an amateur paleontologist?What adaptations enabled carnivorous dinosaurs to eat meat?What are the two general theories as to how fast the dinosaurs went extinct?What do dinosaur tracks tell us about locomotion of some dinosaurs?What fossil discovery indicated a link between birds and dromaeosaurs?How might dinosaurs have evolved if they had not gone extinct 65 million years ago?When did reptiles first evolve from amphibians?How is modern technology helping map and study dinosaur fossil finds?Is there any evidence of sickness in dinosaurs?What are some books explaining dinosaurs evolution and extinction?Did dinosaurs travel in herds?GROWING BONESWhat are the divisions of the geologic time scale?LEARNING PALEONTOLOGYHow many impact craters are associated with dinosaur extinction?What is the true story of dinosaur extinction?CRETACEOUS PERIODWhere can a person obtain more education in dinosaur paleontology?What was the purpose of the different sizes and shapes of dinosaurs?When was the first dinosaur bone collected and described?What prosauropod fossils have been discovered?Who is Rinchen Barsbold?Were the dinosaurs inferior because they became extinct?Where can I find books about dinosaurs at my local library?Do Earths continents change positions?What were the major groups of land organisms during the Triassic?IMPORTANT JURASSIC DINOSAURSWhat did dinosaurs eat?Which Triassic period dinosaurs were herbivores?What are the tetrapods?How do paleontologists dig for dinosaurs?What were the major marine animals living during the Jurassic?EATING HABITSHow are dinosaurs named?Did any dinosaurs fly?What is the Ischigualasto formation and why is it important?How large was a dinosaurs brain?Are all coprolites large, especially those from the larger dinosaurs?What are the major divisions of the Cretaceous?Was there an upper limit to the size of a dinosaur?What was the top predator among the Cretaceous dinosaurs?Did dinosaurs migrate?What were the coelurosaurs?What was the largest dinosaur known to have existed during the Triassic period?SAURISCHIAN DINOSAURSDid any Triassic period dinosaurs fly?What caused traumatic and repetitive stress fractures in dinosaur bones?What are killer cosmic clouds?MATURE DINOSAURSWhat were the carnosaurs?What were the ornithomimosaurs like in the Cretaceous period?What overall characteristics are seemingly shared by dinosaurs and modern birds?What was an omnivorous dinosaur?Who wrote the earliest description of dinosaur bones?THE END OF DINOSAURSWhy did the dinosaurs begin to thrive in the Late Triassic period?How can parental care traits of dinosaurs be extrapolated from living animals?What is the bird-like animal named Shuvuuia deserti?What is the Newark Supergroup and why is it significant?What are thecodonts?What was the first mounted dinosaur cast reflecting a bipedal stance in the United States?Major Marine Animals Reptiles (Euryapsids)Is the Eoraptor lunensis also one of the most primitive dinosaurs?What dinosaurs are thought to have evolved into birds?What were the maniraptorans?What were the vertebrae of a dinosaur?What dinosaurs have been discovered in Antarctica?Who first classified dinosaurs based on the structure of the pelvic area?Where was an almost complete skeleton of an Apatosaurus (formerly known as a Brontosaurus) found in the United States?What are some major questions associated with the movement of dinosaurs?THE CRETACEOUS EXTINCTIONDINOSAUR DISCOVERIES IN NORTH AMERICA Who first proposed the idea that birds were descendants of dinosaurs?Were there any flying animals during the Cretaceous period?What were the smallest dinosaurs known to have existed during the Triassic period?What are some of the largest dinosaur trackways outside North America?DINOSAUR METABOLISMHow do paleontologists determine speeds of dinosaurs using the trackways?EARLY DINOSAUR HISTORY IN THE UNITED STATESHow did life evolve after the early one-celled organisms?What were the smallest and largest dinosaurs known in the Cretaceous period?What were the conditions on the early Earth that scientists believe may have led to life?What was the bird-like animal named?Other Marine CreaturesDid life develop more than just one time?When were the first fossils found in the Western Hemisphere accurately identified as belonging to a dinosaur?Where was one of the first dinosaur footprints found in the United States?What types of tools are used at dinosaur digs?Could a killer cosmic cloud have caused the extinction of the dinosaurs?What are the two types of modern crocodiles?FAMOUS PALEONTOLOGISTS OUTSIDE NORTH AMERICADINOSAURS FIRST APPEARWhere were dinosaur fossils first scientifically studied?Why is Herrerasaurus ischigualastensis thought to be one of the earliest dinosaurs known?What is the Morrison formation and where is it found?PUTTING DINOSAURS TOGETHERWhat mammals lived at the end of the Cretaceous period?What was unique about the feet of most quadruped dinosaurs?What are the oldest-known fossils found in rock on Earth?How long did it take for dinosaurs to evolve from the first land animals?How did the theropods change during the Cretaceous period?What are some other notable Tyrannosaurus rex fossils found in the United States?Which states in the United States have the most dinosaur fossil sites?What were some ornithischian dinosaurs during the Cretaceous period?Did some scientists believe Archaeopteryx lithographica was a transition between dinosaurs and modern birds?What happens to excavated dinosaur bones after they reach a museum?THE IMPACT THEORYWhere was the first skeleton of Supersaurus found in the United States?What were early carnivorous and herbivorous dinosaurs like?How long did the Triassic period last?What major dinosaur egg discovery was made in South America?What early United States expedition mentioned a giant leg bone that was probably from a dinosaur?Were birds the only animals that sported feathers?Who found the first evidence of dinosaurs in Australia?What are asteroids and comets?What fossil evidence possibly shows that not all dinosaurs became extinct?What are some of the earliest known primitive dinosaurs?How many bones made up the average dinosaur skeleton?What were the unique characteristics of the Deinonychosauria?What is the latest theory stating birds are truly dinosaurs?Were dinosaurs intelligent?Why is it interesting that dinosaurs lived in Australia?How did dinosaurs become so prolific between the Triassic and Jurassic periods?Who first coined the word palaeontology?What is the driving force behind the movement of the continental plates?How are dinosaur speeds calculated?Does the microstructure of dinosaur bones indicate the age of these animals?What is ozone and how did it benefit the early Earth?What great Jurassic and early Cretaceous period discovery was made in Asia?What were osteoderms?What was unique about dinosaur feet?What were Laurasia and Gondwana?What do dinosaur trackways tell paleontologists about dinosaur diets?Aerial Reptiles (Diapsids)What were some Jurassic period sauropods?What Jurassic period dinosaurs lived the longest?What does the dinosaur skeleton tell us about the animals soft parts?What were early archosaurs like?What were the great North American Bone Wars of the late 1800s?TRIASSIC PERIODWhat was the purpose of the giant sauropod Apatosaurus's (formerly known as Brontosaurus) tail-tip?How are dinosaur fossils distinguishable from other fossils?What percentage of land animals went extinct at the end of the Cretaceous period?How long did the Jurassic period last?Were any birds around when dinosaurs roamed Earth?Does everyone believe Archaeopteryx was a link to dinosaurs?What is the earliest-known herbivorous dinosaur?Did dinosaurs sleep standing up?What were some other organisms besides dinosaurs that became extinct at the end of the Cretaceous period?How did the dinosaur eggs hatch?How are dinosaur bones prepared for study and display?Where is the largest known collection of theropod skeletons in the world?Did the first dinosaur fossil to be named come from the Jurassic period?When did the first soft-bodied animals appear in the oceans?OTHER LIFE IN THE CRETACEOUSHow did the supercontinent Pangea change during the Triassic period?Why is the debate over dinosaur metabolism so important?What changes occurred in the Thyreophora during the Cretaceous period?Where was the worlds oldest and most primitive duck-billed dinosaur found?What is a dig site?GENERAL CRETACEOUS DINOSAUR FACTSDINOSAUR WEB SITESWhat is the axial skeleton?What are some calculated speeds of dinosaurs?What was the next stage in the evolution towards true dinosaurs?Who was first to reconstruct the way dinosaurs behaved?What events in Russia have highlighted crime in dinosaur fossil collecting?What do these three types of bone tissue indicate about dinosaur physiology?What were the ceratopsians like?When was the first complete fossil skeleton of a Stegosaurus found in the United States?What dinosaur fossil found in Italy showed the remnants of soft parts?Have any dinosaur embryo skin impressions been found?What are the major time units used in the geologic time scale?What were the general characteristics of the Triceratops?What is the geologic time scale?Are there any fossils of dinosaur skin?What events led to the dominance of dinosaurs in the Mesozoic era?What are the smallest dinosaur fossils found to date?DINOSAUR SIZEWhat was the original purpose of feathers on dinosaurs?Did dinosaurs hunt in packs?Could the atmosphere have caused the extinction of the dinosaurs?What were the hypsilophodontids like?DINOSAUR CONNECTIONSWhere were the first Albertosaurus fossil remains found?EARLY DINOSAUR HISTORY OUTSIDE THE UNITED STATESWhat kinds of dinosaurs were in the ornithischian group?Where do Cretaceous dinosaur fossils continue to be found in Mongolia?Did all dinosaurs have the same type of skin?Why did Robert T. Bakker believe dinosaurs were endothermic homeotherms (warm-blooded)?Where were the first duck-billed dinosaur fossils found outside the Americas?What do dinosaur bones tell us about a dinosaurs stance?DIGGING UP FOSSILSWhat were the stegosaurs?THE SEARCH FOR THE MISSING LINKWhat English island continues to be a hotspot for dinosaur fossil discoveries?RECENT DISCOVERIES IN THE UNITED STATESWhat changes occurred in the cerapods during the Cretaceous period?What else has been discovered about dinosaur nesting sites?What color or colors were the dinosaurs?Who first proposed that dinosaurs were warm-blooded?What kind of clothing and equipment should you take into the field?What is the fern spike?What is another way to estimate a dinosaurs life span?What were some major groups of sauropods during the Jurassic?What has been discovered about Archaeopteryx lithographica fossil feathers?Why did certain animals survive and other animals did not?Did any dinosaurs climb or live in trees?What Chinese dinosaur fossils may be the closest-known ancestor of birds yet found?How did oxygen form on early Earth?How did the Lambeosaurinae and Hadrosaurinae differ?Where were the first dinosaur footprints found in the United States?DINOSAUR ANCESTORSWhy did the plant-eating sauropods die out while the ornithopods thrived during the Cretaceous period?What are the closest living relatives to the dinosaurs?What are the major parts of a dinosaur skeleton?What theories attempt to explain why the Cambrian Explosion occurred?How are birds classified?How can geologic maps be obtained?What were the first land animals and why did they move onto the dry land?What are near-Earth objects?What are certification programs in the field of dinosaur paleontology?Are mammals the most abundant animals on modern Earth?Have any fossilized stomach contents of dinosaurs been found?How will modern technology help paleontologists prepare, reproduce, and study dinosaur fossils finds in the near future?What are the divisions of the Jurassic period?Are there problems with estimating dinosaur growth rates based on modern reptiles?Which major Cretaceous period dinosaurs were herbivores and carnivores?Where and what is Como Bluff?THEORIES ABOUT DINOSAUR EXTINCTIONWho first proposed extinctions had occurred during Earths history?What were the dromaeosaurids and what type of claws did they have?When did primary bones develop during a dinosaurs life?What were the major marine animals living during the Triassic period?To what group did all the meat-eating dinosaurs belong?Are there any examples of the dinosaur parenting care methods?How were connections between theropod dinosaur vertebrae strengthened?What are the Paleozoic, Mesozoic, and Cenozoic eras?What were trilobites and when did they exist?What is the largest raptor claw found to date in North America?What was the composition of dinosaur teeth?What is the greenhouse effect?How was the vertebral column in ornithischian dinosaurs strengthened?AmphibiansWhat were some of the dinosaurs that lived during the Cretaceous period?Why did the mammals come to dominate in the Cenozoic era?What were the cerapods?What percentage of marine animals went extinct at the end of the Cretaceous period?What food was available to the dinosaurs?Who was Othniel Charles Marsh?How are missing dinosaur bones restored to a skeleton?Why was the impact at Chicxulub so devastating?Is there any proof that Earth has encountered a cosmic cloud In the past?Were there many dinosaurs during the Triassic period?AFTERMATH OF EXTINCTIONDid changes in Earths environment lead to dinosaur extinction?Do dinosaur bones ever get rearranged after they are mounted?What do tooth marks tell us about dinosaur diets?What were the ceratosaurs?Which dinosaurs were the biggest?Where have dwarf dinosaur fossils been found?ABNORMAL DINOSAUR BONESWhat is the Morrison formation?Where can I find books about dinosaurs at my local bookstore?What is the bird-like animal named Unenlagia comahuensis?What dinosaur fossils were recently found in Queensland, Australia?What are some examples of theropods in the Cretaceous period?What is the disease theory of dinosaur extinction?FROM DINOSAURS TO BIRDSWhen were radiometric dating techniques discovered?Who first developed a method to protect excavated dinosaur bones?Where are dinosaur dig sites usually located?What were the ornithomimosaurs?Where are Triassic period rocks found?Who was Elmer Riggs?How are dinosaur bones mounted for display?What were the maniraptorans like in the Cretaceous period?What are some good Web sites about dinosaurs?What dinosaur skins have recently been found?What gases began to accumulate after Earths crust finally solidified?How can I learn more about dinosaurs?What is the bird-like animal named Sinosauropteryx primalWhen did Haversian (or secondary) bone tissue develop during a dinosaurs life?What was so special about the evolution of the ichthyosaurs?How does bone composition differ between dinosaurs and modern reptiles?Land Reptiles (Anapsids, Diapsids, and Euryapsids)When did the idea of extinction become accepted?What animals didnt experience as many extinctions?When did the first true plants appear on land?Do dinosaur bones show evidence of arthritis, a common affliction in humans?Do we definitely know the growth pattern of dinosaurs?What are coprolites?DINOSAURS ALL AROUND USWhen did the first primitive dinosaurs appear?What were some of the smallest and largest dinosaurs known in the Jurassic period?Who was the first person to coin the term dinosaur?Where did the last dinosaurs live?How did the distribution of dinosaur species change during the Cretaceous period?Which dinosaur had the longest neck of any animal known?What have paleontologists learned from dinosaur coprolites?In general, what comprises a dinosaurs skull?DINOSAURS IN MOTIONWhy are fossil bones important to our understanding of dinosaurs?What are the estimated growth rates for a ceratopsian and sauropod dinosaur?What is the largest raptor claw found to date in the world?What can paleontologists tell about the lifestyle of a large herbivore (sauropod) from its fossil bones?Did dinosaurs need water?What were the heterodontosaurs like?What was the fastest dinosaur based on the trackways?What does theropod dinosaur brain size tell us about their metabolism?SAURISCHIAN DINOSAURSHow did the Majungatholus remains explain the pachycephalosaur?OTHER EXTINCTION THEORIESIf the dinosaurs were just evolving, which land and marine animals dominated the Triassic period?What were the coelurosaurs like in the Cretaceous period?What are dinosaur trackways?Were there other reptiles in the Middle to Late Triassic period that may have been early dinosaurs?Which Triassic period dinosaurs were carnivores?Were Triceratops social animals?What is a reptile?What happened to North and South American dinosaurs over time?Did dinosaurs have binocular vision similar to humans?What discovery by John Ostrom led to new theories about dinosaur behavior and physiology?What were some general characteristics of the other saurischian group, the theropods?What were the major dinosaurs during the Cretaceous period?Did dinosaurs get blown away by hurricanes?Would a lower oxygen level affect dinosaurs?What evidence do we have concerning the movement of dinosaurs?How long did dinosaurs live?What is the impact theory of dinosaur extinction?How long were dinosaurs dominant on Earth?Who is John R. Horner?FIRST FOSSILSWhat is the climate theory of dinosaur extinction?What were the early amphibians and when did they live?Is there a continent where dinosaur fossils have never been found?What do dinosaur eggs look like?Where were the first life-sized dinosaur models publicly displayed?How are dinosaurs classified?What groups survived the extinction at the end of the Cretaceous period?Were there any dromaeosaurs, troodontids, therizinosaurs, or oviraptorosaurs in the Jurassic period?What is Dinosaur Ridge?In general, what characteristics determine if a dinosaur skeleton is that of a theropod?What is the composition of most dinosaur bones?How old is the oldest rock and mineral found on Earth?CONTINENTS DURING THE TRIASSIC PERIODWhat are impact craters and are there any on Earth?What is absolute time in relationship to geologic time?What was the average size among the dinosaurs?Are mammals surviving relatives of the dinosaurs?Why did certain plants and animals survive through the end of the Cretaceous period?Who discovered seafloor spreading?Who is Jim Kirkland?Why were stegosaurs originally thought to have had a second brain?Why did the dinosaurs thrive and diversify in the Cretaceous?What does cladistic analysis tell us about birds and dinosaurs?What are molds and casts?What are birds?Where were the remains of the oldest-known dinosaur discovered?How are reptiles grouped?What bone spike was found in Late Cretaceous period rock layers?What was Coelophysis like?What were unique skeletal features of large sauropods?What evidence supports the impact theory?What does the internal structure of Scipionyx samniticus reveal about the ancestry of birds?What dinosaur remains were excavated during the Tendaguru expedition?How did the Badlands of the Red Deer River Valley form?What is the evidence for dinosaur and other life form extinction?How do scientists determine the weight of a dinosaur?Where were the fossilized remains of a Jurassic period tree found?What do we know in general about dinosaur teeth?How many other organisms became extinct at the end of the Cretaceous period?How are the divisions on the geologic time scale named?Where can I get information about participating in dinosaur digs?What can scientists tell from the shape of carnivorous dinosaurs teeth?What are some examples of certification programs offered?When did growth ring bone tissue develop during a dinosaurs life?Who first published papers noting the resemblance of birds to dinosaurs?What is the Triassic period and how did it get its name?What is the first precaution you should take before searching for dinosaur fossils?What are some of the richest dinosaur bone areas in the world?What is the oldest-known horned dinosaur?What are the encephalization quotients (EQs) for some typical modern-day mammals?What dinosaur was named as a consequence of its nesting behavior?What is the Jurassic period and how did it get its name?What were the tyrannosaurs?How do paleontologists identify species of dinosaurs from other fossils?What are the major camps in the dinosaur-bird evolution debate?What were some of the problems amphibians faced in moving from water to land?What fossil was stolen from a site in Australia?How do paleontologists, or even amateur collectors, find dinosaur fossils?How did feathers evolve?DINOSAUR DISCOVERIESDINOSAURS INSIDE AND OUTWhat groups did not survive the extinction at the end of the Cretaceous period?Did climate conditions lead to new dinosaur groups in the Jurassic period?What were the unique characteristics of the Oviraptorosauria?Did some early scientists believe birds were related to dinosaurs?What are the consequences of continental plate movements?Where are asteroids and comets found in our solar system?What is geologic time?Did any dinosaur species survive the extinction at the end of the Cretaceous period?How did this continental configuration affect the dinosaurs?What are vertebrates?What discovery in Pennsylvania helps us understand the Triassic period extinction?Where was the first known fossilized dinosaur skin found in the United States?Did dinosaurs see in color or black and white?What do the divisions on the geologic time scale represent?What were the carnosaurs like in the Cretaceous period?Why are dinosaur fossils relatively easy to find on the Isle of Wight?Where did a dinosaur stampede take place?What are some notable dinosaur tracks in the United States?What magnetic evidence did scientists use to verify seafloor spreading?What were some Jurassic period ornithischian dinosaurs?Did other animals prey on dinosaurs?ORNITH IS CHIAN DINOSAURSWhere was a Giganotosaurus carolinii found?What is the theory concerning radiation killing off the dinosaurs?How were Cretaceous period saurischian dinosaurs different from Jurassic dinosaurs?How are dinosaurs classified?What did the Triassic period signify?What are the divisions of the Mesozoic era?What is a fossil?What was a common characteristic of the surviving land animals?What is relative time in relationship to geologic time?What Colorado sites have been historically fruitful in terms dinosaurs finds?DINOSAUR FOSSILSWhat was possibly the longest predatory dinosaur?What is Archaeopteryx lithographica?How many species of dinosaurs were living at the end of the Cretaceous period?LEARNING MORE ABOUT DINOSAURS What was the first dinosaur track to be described?What reptile species survived past the end of the Cretaceous period?Are there any known toothless theropod dinosaurs?What kind of work does a professional paleontologist do?What kind of heart did dinosaurs have?Other CreaturesGEOLOGIC TIMEWere there any other sauropods that survived into the Cretaceous period?Why are the Solnhofen quarries of Germany so important to paleontology?What do dinosaur bones indicate to paleontologists about the health of these animals?What were some early thyreophorans?How many species of dinosaurs have been named since the first skeletons were uncovered?What recent genome study may rewrite the evolutionary history of birds?What is the oldest-known life form that existed on land?How long ago did modern birds originate?When was the first Triceratops fossil discovered in the United States?What kinds of dinosaurs were in the saurischian group?What adaptations did the herbivorous dinosaurs have that enabled them to eat plants?What are the main characteristics of the thyreophorans?How does a fossil form?What was the Cretaceous period and how did it get its name?When did life first begin on Earth?Did some reptiles return to the oceans?What is the mammal theory of dinosaur extinction?Why did larger dinosaurs evolve in South America?EVOLUTION OF THE DINOSAURSIMPORTANT CRETACEOUS DINOSAURSWhen was the most spectacular dinosaur fossil expedition mounted?What heavily armored dinosaur fossils were found in Utah?What was the first mounted dinosaur skeleton in the Western Hemisphere?Why was the Cambrian Explosion, also called the evolutionary big bang?DINOSAUR BEHAVIORWhat were some general characteristics of the sauropods?What were some Jurassic period theropods?Which major Jurassic period dinosaurs were herbivores and carnivores?What led to the original formation of the supercontinent Pangea?What is one of the smallest dinosaur eggs known?What can dinosaur bones tell us about their internal heat regulation?What is the Pre-Cambrian era?Can you tell the difference between male and female dinosaurs from their bones?What are some examples in which amateurs found dinosaur sites?What were the tetanurans?How are the theropods classified?Who is Robert Bakker?Who was Charles H. Sternberg?How did the northern continent of Laurasia and the southern continent of Gondwana change during the Jurassic period?Where were the first clutch of dinosaur eggs discovered?How likely is it that an organism becomes a fossil?Where were the continents located during the Jurassic period?How are the ornithischian dinosaurs classified?What do certain fossils in China indicate about dinosaur social groups?DINOSAUR BABIESWhat are fossil assemblages and what do they tell us about dinosaur diets?When did the basic form of life develop on Earth?What were some general characteristics of the hadrosaurs?Have any dinosaur DNA or proteins survived 65 million years?What are the divisions of the Triassic period?What can paleontologists tell about the lifestyle of a small herbivore from its fossil bones?Who first published information on fossils classified as a dinosaur?How are the ornithischian dinosaurs of the Cretaceous period classified?How have the fossils of the Oviraptor changed our image of this dinosaur?How well did reptiles fare at the end of the Cretaceous period?What event occurred at the division between the Triassic and Jurassic periods, and why was this important to the dinosaurs?What are some of the oldest dinosaur fossils found to date?What plants became extinct at the end of the Cretaceous period?What is cladistic analysis?How has the definition of dinosaur changed over the years?When did scientists determine the jigsaw puzzle fit of the continents?INTERNATIONAL DINOSAUR DISCOVERIES What are some of the Archaeopteryx fossils found to date?TRIASSIC DINOSAURSWhat is a problem with the environmental theory of dinosaur extinction?Did dinosaurs differ in bone structure?When did the first multicellular forms of life develop?What possible large Jurassic dinosaur is only known from drawings of a fossil?What do the Sinosauropteryx and other similar dinosaurs tell us about the evolution of feathers?How old is Earth?How did Laurasia and Gondwana (Gondwanaland) change during the Cretaceous period?What were other archosaurs like?What were the major extinctions during Earths long history?When did modern reptiles evolve?Why was the discovery of Giganotosaurus important?JURASSIC PERIODWhat is a dinosaur?FAMOUS PALEONTOLOGISTS FROM NORTH AMERICAWhere is one of the worlds largest paleontological institutes located?What conditions might lead to the best footprints?How did early feathered animals eventually develop flight?What famous dinosaur is nicknamed Sue?How did fossil evidence support the theory of continental drift?How do the number of known dinosaur species compare to some modern species?
 
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