What two things must occur for an energy crisis to occur in society?
decrease in supply, increase in price
decrease in supply, decrease in price

This is a scaffolding of protein fibers that us sell keep it shape in a cell division and cell movement

Which of these would most likely be a stimulus that would cause the body to initiate feedback mechanisms a.) normal body temperature in an arctic environment b.) normal boy temperature in a tropical environment c.)light physical activity d.)low blood sugar

Evolution acts upon the population of organisms and not on each individual organism