Author Question: Some animals that lived 530 million years ago resembled lancelets but had a brai (Read 633 times)

federox

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Some animals that lived 530 million years ago resembled lancelets but had a brain and a skull. These animals may represent
A) the first chordates.
B) a "missing link" between urochordates and cephalochordates.
C) early craniates.
D) marsupials.
E) nontetrapod gnathostomes.



theo

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