Answer:
Myelin
Explanation:
Myelin is a fatty substance that surrounds nerve cell axons to insulate them and increase the rate at which information is passed along. The myelin can be compared to the protective coating of an electrical wire.
Answer:
C). Evolutionary.
Explanation:
'Evolutionary periods' are demonstrated as the higher periods that exist during darkness. This phase or period focuses on the behaviors associated with fear, biases, and associations as the outcome or consequence of the process of evolution.
As per the description, the 'evolutionary perspective' would assist in advancing the argument related to the 'sleep patterns' that have evolved as an outcome in the form of adaptive response to acquisitive risks. This perspective would assist in knowing that how such patterns have evolved and led to its present stage. Thus, <u>option C</u> is the correct answer.