Answer:
D.both A and B
Explanation:
because if there some option,like abcd and the letter d. is both a and b that is the correct answer.
Answer:
Competition is an interaction between organisms or species in which both the organisms or ... According to evolutionary theory, this competition within and between species for resources is important in natural selection. However, competition may ... Competition can cause species to evolve differences in traits.
D. cellular respiration and photosynthesis
A. The mouse and the rabbit are in separate food chains but the same food web.
