Exam 4 Flashcards
What are the general characteristics of Lepidosaurs?
What are the different groups of Diapsids?
How do Archosaurs differ from Lepidosaurs?
What are the different characteristics of the lifestyle of plesiosaurs?
rowed through water w/ flippers, very small skull, increased cervical vertebrae (up 76).
What are the different characteristics of the lifestyle of mosasaurs?
10+ meters, crocodile w/ flippers, elongated skull, sharp pointed teeth.
What are the different characteristics of the lifestyle of ichthyosaurs?
gave birth to live young, resembles dolphin, dorsal/caudal fin.
What are the 2 basic lifestyles of a predator?
give examplrs of each
What is the unique type of predator avoidance found in squamates?
Parthenogenesis
what are the different types of locomotion in snakes?
Cranial Kinesis
What are the different types of venomous snakes?
What are the different types of venom?
What is the timeline from Paleozoic to Mesozoic, and what are the major events that occurred during each period?
What characteristics distinguish archosaurs from other diapsids?
What are the different groups of archosaurs?
How do dinosaurs differ from other reptiles?
How do pterosaurs differ from birds?
What are the similarities between the saurischians and ornithischians?
What are the differences between the saurischians and ornithischians?
What are the different groups of dinosaurs?
What environmental changes are correlated with the increase in diversity of dinosaurs in the Jurassic and Cretaceous periods?
Why does the fossil record not accurately reflect the true diversity of donosaurs?
What are the major groups of ornithischians? How do they differ from one another?
What are the shared characteristics of saurischians?
What separates theropods and sauropods?
How do large-bodied dinosaurs utilize gigantothermy to regulate their body temperature?
Who are the direct ancestors of birds? What synapomorphies suggest this?
What is an example of a paleontological discovery that challenged our understanding of dinosaurs?
How did non-avian dinosaurs go extinct?