Answer:
The exosphere and the ionosphere
In this question there are many possibilities available. First one can be the presence of only a few organelles in prokaryotes than in eukaryotes.
The most important one however is the form of DNA which circular in prokaryotes and found in chromosomes for eukaryotes
Answer:
Natural selection is the process in nature by which organisms better adapted to their environment tend to survive and more than those less adapted to their environment. For example :treefrogs are sometimes eaten by snakes and birds
Hope this helps
I think its because when your upside down, your not breathing right. So its a way of trying to breathe correctly.
