Answer:
Living things are classified into groups that start out large and become more specific in a system of classification called taxonomy. Scientists classify living things at eight different levels: domain, kingdom, phylum, class, order, family, genus, and species.
Explanation:
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Answer is: the myelin sheath.
The myelin sheath is a extended and modified plasma membrane wrapped around the nerve axon in a spiral fashion. Myelin<span> is a fatty white substance that surrounds the </span>axon<span> of some </span>nerve cells<span>, forming an </span>electrically insulating <span>layer.
</span><span>Demyelination is the loss of the myelin sheath and result in many deseases.</span>
Perhaps those light colored moths had other characteristics that allowed them to escape the predators. Additionally, there is variety in a species and additional white moths might still be born. Larger number of the dark-colored variety were present in the polluted environment because the dark colored moths would blend in with the polluted trees and therefore be camouflaged for survival.
We refer to it now as a theory because it has factual support that can incorporate laws, inferences, and tested hypotheses. It is not yet widely accepted enough to become the law of nature, due to other belief systems such as Buddhism, Christianity, and the like.