The evolutionary trend in mammal size during the Pleistocene could have been in response to ____.

Question

Quizplus · Accepted Answer

Cooler temperatures would have provided an advantage to larger mammals because they retain heat more efficiently, allowing them to live in colder environments. This is supported by the fact that many large mammal species, such as woolly mammoths and giant ground sloths, were found in colder regions during the Pleistocene.

The Evolutionary Trend in Mammal Size During the Pleistocene Could