For ensuring effectiveness of reproduction, the mammals possess

Options :
  1. placenta
  2. yolk sac
  3. reduced number of eggs
  4. all the above


Answer and Explanation :-

Answer: Option 4

Explanation:

Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : Human embryo is protected by

Next Question : Amnion is a membrane which develops on the outside of embryo in

Click here for free online test on Embryology

Responses


 (Getemail alerts when others member replies)







Dying is only one thing to be sad over. Living unhappily is something else.
-Mitch Albom Tuesdays With Morrie