Multiple Choice
Which of the following statements would be least acceptable to most zoologists?
A) The extant lancelets are contemporaries, not ancestors, of vertebrates.
B) The first fossils resembling lancelets appeared in the fossil record around 530 million years ago.
C) Recent work in molecular systematics supports the hypothesis that lancelets are the most recent common ancestor of all vertebrates.
D) The extant lancelets are the immediate ancestors of the fishes.
E) Lancelets display the same method of swimming as do fishes.
Correct Answer:

Verified
Correct Answer:
Verified
Q74: Why is the amniotic egg considered an
Q75: Some animals that lived 530 million years
Q76: Which of the following is a cluster
Q77: The following questions refer to the description
Q78: In coelacanths, a swim bladder is present,
Q80: Which feature(s)allow(s)hibernating bats to conserve heat without
Q81: In the United States and Canada, bats
Q82: The swim bladder of ray-finned fishes<br>A) was
Q83: At least one of these has been
Q84: Which of the following is the most