Hi there! I'd like to help but I need more information about your question.
An allele is a variant form of a gene. some genes have a variety of different forms,which are located at the same position, or genetic locus, on a chromosome.
An indicator species<span> is an organism whose presence, absence or abundance reflects a specific environmental condition. </span>Indicator species<span> can signal a change in the biological condition of a particular ecosystem, and thus may be used as a proxy to diagnose the health of an ecosystem.
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Answer:
d. Oxidative
Explanation:
Oxidative phosphorylation is the main type of phosphorylation that occurs in mitochondria of all aerobic type organisms.
The retina; I may be wrong.