C, because alleles are alternative forms of a gene that arise from mutation.
Answer:
Aerobic respiration saves a lot of energy compared to anaerobic respiration. Aerobic activities can generate up to 38 ATP per gram of glucose consumed. Anaerobic reactions only produce 2 ATP per gram of glucose.
<span>Large carnivores in general are often used as indicator species because of their seat at the top of the food chain. ... When a large carnivore is missing from an ecosystem this can
reflect problems in prey populations, usually caused by larger issues
such as over-harvest of game, presence of disease, or habitat changes.</span>
A part of the definition of binary fission is "splitting in half." It is an asexual form of reproduction, one turns in to two. This is choice B.