Hello Littlefoot2645. I do believe the answer would be that of the process of "mutation," thus it occurs by human interference, specifically, although, initially, naturally-speaking, only occurring by natural selection in onslaught of period time frames.
Seminal vesicles
prostate gland
bulbourethral glands
I hope this helped. :)
<span>Model construction.....</span>
It’s between d and c but d sounds better
It could be they want the answer that they could not adapt to the changing climate. they where wiped out just by an asteroid though