Lecture 1 - Intro to Dinosaurs Flashcards by Marissa O | Brainscape

Q

what is a DINOSAUR?

A

one group of reptiles

reproduce by laying hard-shelled eggs

upright posture (not sprawling)

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Q

what era did the dinosaurs exist in? (dates pls)

A

mesozoic

230/223Ma to 66Ma

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Q

when did dinosaurs first evolve?

A

Triassic era

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