The most important producer in both freshwater and marine ecosystems is phytoplankton.
B. <span>Acute stressors are a type of stress that generally occurs over a long amount of time.</span>
Based on sociological standards, the behaviors by the correctional officers in the Stanford prison experiment coincided with expected <u>Social roles</u>; the guards gave orders and expected the prisoners to follow them.
This is because <u>Social roles</u> is a term in socio-psychology that is used to describe the role people act as units of a social group.
Social roles State that individuals' roles or behaviors change to fit what is expected of others in that role category.
The principle of <u>Social role</u> was experimented in the Stanford prison experiment (SPE) at Stanford University in 1971.
Hence, in this case, it is concluded that the correct answer is "<u>Social role</u>."
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