So if one organism can’t adapt to its environment then the other can. So their population doesn’t decrease
If they can successfully produce fertile offspring, they belong to the same species.
For the answer to the question above, I think the answer is "will lack A and B red blood cell antigens"
Type O blood is lacking of some of the antigens that the A & B blood cells have. Hope this helps
B.<span>Plant cell walls are primarily made of cellulose, which is the most abundant macromolecule on </span>Earth<span>.
didnt i already do this</span><span />
Bone marrow looks like jelly and is responsible for making red blood cells.<span />