Dinosaurs

Question 1

2 main dinosaur groups

Answer 1

ornithischia, saurischia

Question 2

Ornithischia

Answer 2

“Bird hips” herbavores. Bipedal plant eaters, four legged plant eaters with knobby parts,

Question 3

Saurischia

Answer 3

“lizard hipped” birds descended from these.

Question 4

Sauropods

Answer 4

HUGE, four-legged plant eaters with long necks and tails

Question 5

Theropods

Answer 5

Bipedal predatory dinosaurs, inc. Allosaurus, Tyrannosaurus, Deinonychus and other “raptors” (=dromaeosaurs), birds!!!!

Question 6

Ectothermic

Answer 6

Relies on external heat

Question 7

Evidence for Warm-Blooded Dinosaurs

Answer 7

bone structure, dinosaur behavior (ex fast running), predator to prety ratios, arctic dinosaurs,

Question 8

Evidence for Cold-Blooded Dinosaurs

Answer 8

dinosaur size, the mesozoic climate, scales like reptiles

Question 9

Mesotherms

Answer 9

“metabolic middle ground” dinosaurs can raise, but not maintain their body temperatures.

Question 10

Evidence for an impact end to the Mesozoic

Answer 10

Iridium, shocked quartz, Chicxulub Crater