<span>The cell membrane acts as the gatekeeper of the cell, determining what goes in and out.</span>
Living in herd is a structural adaptation.
There are three different kinds of adaptations: behavioural, physiological and structural.
Adaptations help animals survive and their ecosystem.
The second sentence does not sound correct but it seems correct to me (just not in grammar).
Hope it helped!
Answer:
your answer is letter D or ulcer
A chemical reaction in which energy is released to its surroundings. It exits immediately
Answer:
the way its set up its kind of confusing
Explanation:
