Use the Following Information as Background for the Next Few

question 34

Multiple Choice

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

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