Monday, 13 February 2017

sexual dimorphism - Why only female mammals have well developed mammary glands?


In course of evolution (possibly), mammary glands became vestigial in male mammals, but became fully developed in females. Is there any plausible explanation for this characteristic?




-

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)

evolution - Are there any multicellular forms of life which exist without consuming other forms of life in some manner?

The title is the question. If additional specificity is needed I will add clarification here. Are there any multicellular forms of life whic...