chapter 34 Self Quiz

vertbebrates and tunicates share?

a notochord and a dorsal, hollow nerve cell
Some animals that lived 530 million years ago resembled lancelets but had a brain and a skill.

early craniates
which of the following could be considered the most recent common ancestor of living tetrapods.

A sturdy-finned, shallow water lobe-fin whose appendages had skeletal supports similar to those of terrestrial vertebrates.
Mammals and living birds share all of the following characteristic except

An archosaur common ancestor
unlike eutherians, bath monotremes and marsupals

have some embryonic development outside the mother's uterus.
which clade does not include humans?

Diapsids
As hominis diverged from other primates, what appears first?

bipedal locomotion

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junderwo

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chapter 34 Self Quiz

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Self Quiz

Updated

2011-04-28T23:59:28Z