B.AIDS because it disables your immune system.
Bc while asexual reproduction is a copy of your genes and DNA, sexual reproduction involves an infinite amount of combos from your genes and your partner's genes as well.
Through the process of transformation. Hope this helps.
A rainforest ecosystem would have a more high species riches. There are vast resources such as trees and plants that contribute to animal life. More animals live in these ecosystems because of the environment itself.
A dessert ecosystem would have a low species riches. There is little plant life and low resources for survival. Only animals that have adapted to this environment have a high species rate.
