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Author Question: Why are short-tailed opossums classified as marsupials if they do not have a pouch? What will be ... (Read 10 times)

dbose

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on: Jul 21, 2018
Why are short-tailed opossums classified as marsupials if they do not have a pouch?
 
  What will be an ideal response?

Question 2

What is the Whitten effect?
 
  What will be an ideal response?


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Briannahope

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Reply #1 on: Jul 21, 2018
Answer to Question 1

They have marsupial bones (os marsupalia) that form part of the pelvic attachment to the abdominal muscles. STOs have skin around each nipple that forms a cushion or donut around each young to secure the attachment. Embryos are delivered in an undeveloped state to further develop outside the uterus.

Answer to Question 2

The Whitten effect is the synchronization of estrous cycles when a new male is introduced to a colony of females.


dbose

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Reply 2 on: Jul 21, 2018
Thanks for the timely response, appreciate it

patma1981

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Reply 3 on: Yesterday
Excellent

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