Use the Following Information as Background for the Next Few

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.
-Upon moving from the water onto land, which of the following would be necessary to ensure continued reproductive success on land?

A) a thick, waxy ectoderm
B) external fertilization
C) elongated flagella
D) evolution of extraembryonic membranes
E) formation of an acrosome on sperm cells

Correct Answer:

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