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





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