Use the following information as background for the next few questions.
Imagine that you are a paleontologist and have discovered a 375-million-year-old transitional species between fish and the first legged animals. This species reveals that the evolution of hind legs began as enhanced hind fins.
-Which specialized structures evolved for use in terrestrial embryote development? I. shelled eggs
II. motile sperm
III. uterus
A)I only
B)II only
C)I and II
D)I and III
E)II and III

Question

Quizplus · Accepted Answer

Shelled eggs evolved for use in terrestrial embryote development, but there is no evidence to suggest that motile sperm or a uterus were specifically evolved for this purpose.

Use the Following Information as Background for the Next Few