QUESTION 27 Amniotes include all of the following EXCEPT A. Reptiles B. Amphibians C. Birds D. Mammals QUESTION 28 Consequences of mass extinctions include A. The elimination of many species B. A long period of 5-10 million years to recover biological diversity C. Opportunity for emergence of new species D. All the above QUESTION 29 The mass extinction event at the End of the Cretaceous Period was A. Associated with the disappearance of most dinosaurs B. Associated with increased solar radiation C. Believed to be the result of an Asteroid impact D. All of the above E. Both (A) and (C) QUESTION 30 Which of the following is TRUE? A. Extinctions occur on an ongoing basis B. Mass extinction are always due to human interference in natural processes C. Mass extinctions have been primarily due to global environmental changes D. All the above.
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Reptiles, birds, and mammals are all amniotes, so the correct answer is Amphibians. For Question 28, we are looking for the consequences of mass extinctions. All the options listed are consequences, so the correct answer is All the above. For Question 29, we are Show more…
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