The answer is absorbing dead or decaying organisms
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A example of a nerve cell is a nerve cell
According to erikson, development is best reflected in resolution of psycho-social tasks. <span>Erikson’s psychosocial theory of development considers the impact of external factors, parents and society on personality development from childhood to adulthood. According to Erikson’s theory, every person must pass through a series of eight interrelated stages over the entire life cycle</span>
Providing long-term control over the body's internal conditions
Keeping conditions within a normal range
Adjusting the "set point" for body temperature based upon level of activity