Reptiles are better adapted to life on land than are amphibians. Which external characteristic would a reptile have to lose to make it roughly externally equivalent to an amphibian in terms of ability to tolerate dry land?
A. limbs
B. eyelids
C. vertebral column
D. scales
Answer: D
Biology & Microbiology
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Indicate whether the statement is true or false
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a. mutation b. genetic drift c. natural selection d. random mating e. gene flow
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Which of the following is used to describe the openings to the hearts in animals with open circulatory systems?
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Biology & Microbiology
Which of the following is an example of a prokaryotic cell?
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Biology & Microbiology