The diagram above shows the process of natural selection. What is X?
A competition
B evolution
Cmimicry
D reproduction

Which taxon group is more specific, in regards to organisms that are in that group? mammalia animalia

Ineed the answer asap. in order to be considered alive, an organism must simultaneously possess the characteristics of homeostasis, heredity, cells, reproduction, and

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?