What characteristic distinguishes ornithischian dinosaurs from other types of dinosaurs?
bird-like hips (backward facing pubis) and a beak-like mouth for cropping vegetation.
What are the two main subgroups of saurischian dinosaurs?
sauropods and theropods
Name a prehistoric animal that is often mistakenly classified as a dinosaur and explain why it's not.
answers will vary
Name two groups of dinosaurs that are ornithischians
ornithopods, ceratopsians, thyreophora (stegosauars and ankylosaurs)
Describe a key feature of theropod dinosaurs that differentiates them from sauropodomorphs.
Theropods were typically bipedal and had sharp claws and teeth for hunting, while sauropodomorphs were generally quadrupedal and herbivorous.
Wooly mammoths are not dinosaurs. They are ___
mammals
Hadrosaurs are part of which group?
ornithopods
What is a characteristic that theropods share with modern birds?
Feathers and a bunch of other things we haven't talked about yet
Marine reptiles (lizards)
Name a specific thyreophora dinosaur
stegosaurus, ankylosaurus, kentrosaurus, steguros, ....
Name a specific titanosaur
argentinosaurus, dreadnoughtus, patigotitain, saltasaurus...
dimetrodon is not a dinosaur. It is part of this group instead
Synapsids (closer to mammals)
What role did ornithischians play in their ecosystems during the Late Jurassic and Cretaceous periods? (what was their niche?)
large herbivores, shaping plant communities and providing food for carnivorous dinosaurs.
Name a specific tetanuran theropod
t-rex .....
Pterosaurs are not dinosaurs, but they are in this same group as dinosaurs that includes Crocs as well
archosaurs