Answer:Multicellular organisms are composed of more than one cell, with groups of cells differentiating to take on specialized functions. In humans, cells differentiate early in development to become nerve cells, skin cells, muscle cells, blood cells, and other types of cells
Explanation:
The cell grows,then separates,then prepares for mitosis
The effect that malnutrition have on the fetus during critical development in pregnancy is that the impairment of the development of an organ is irreversible. Maternal malnutrition can adversely affect the division and replication of cells in the embryo at this stage, impairing its development. The effects of malnutrition during critical periods of pregnancy are seen in defects of the nervous system of the embryo, poor dental health among other effects.
In terms of productivity given a particular ecosystem's location (in sea or on land) the ecosystem of the ocean is far more productive given the fact that is has relatively little access to sunlight and nutrients.