Bird Structure And Function

Bird Structure And Function

Birds are endothermic tetrapod vertebrates. They are bipedal, which means they walk on two legs. Birds also lay amniotic eggs with hard, calcium carbonate shells.

CK-12 (High School)

ESSENTIAL QUESTION:

How did the bodies of birds evolve to support flight?
STANDARDS:
RST.2 - Main Ideas

DEPTH OF KNOWLEDGE (DOK) LEVELS:

2
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