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Author Question: What was the large size of many Pleistocene mammal species due to? What will be an ideal ... (Read 33 times)

joe

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on: Jul 15, 2018
What was the large size of many Pleistocene mammal species due to? What will be an ideal response?

Question 2

What is the distinction between marsupial and placental mammals? What will be an ideal response?


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Perkypinki

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Reply #1 on: Jul 15, 2018
Answer to Question 1

Gigantism may have been an adaptation to cooler temperatures, since large animals have less surface
area to volume and can retain heat more effectively.



Answer to Question 2

Marsupials are born in an embryonic state and then develop further in the mother's pouch. Placentals
develop internally in a placenta into which nutrients and oxygen are carried from the mother into the
embryo.



joe

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Reply 2 on: Jul 15, 2018
YES! Correct, THANKS for helping me on my review

bdobbins

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Reply 3 on: Yesterday
Excellent

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