Helloooo,
I know im late but anyone else taking the test now the answer would be.
<u><em>B-</em></u>
<em>In the early stages of embryonic development, these four vertebrates are quite similar, indicating a possible common ancestor.</em>
Answer:
I believe it's A. to reduce air bubbles. Tbh, it's been a while
mean
Explanation:
acording to whom chrush
use google and use the first link