Biology: Concepts and Investigations
Biology: Concepts and Investigations
3rd Edition
ISBN: 9780073525549
Author: Mariëlle Hoefnagels Dr.
Publisher: McGraw-Hill Education
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Chapter 15, Problem 7MCQ

Why was the Mesozoic era extinction significant to the history of mammals?

a. As photosynthesis slowed, meat-eating mammals prevailed.

b. Fewer plankton species meant more open ocean ecosystems for large, aquatic mammals.

c. Dinosaur extinctions opened up new habitats to mammals.

d. Only the smartest primates knew how to survive the extinction.

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Biology: Concepts and Investigations

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