10 Nov 2021
Problem 17
Page 1401
Section 47.3: Critical Thinking Questions
Chapter 47: Conservation Biology and Biodiversity
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10 Nov 2021
Background and context
The Cretaceous–Paleogene extinction catastrophe happened around 66 million years ago, resulting in the extinction of three-quarters of all animal and plant species on Earth. With the exception of a few ectothermic species like sea turtles and crocodilians, no tetrapods weighing more than 25 kilos survived.
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