The answer is B:abyssopelagic zone <span> </span>
The given blank can be filled with cells.
The extracellular matrix is the protective tissues present as a coating of the cells. Both animals as well as the plant cells have the extracellular matrix, this coating provides support, biochemical protection and mechanical protection from the external environment of the cells. In the plant cells, the cell wall is a type of extracellular matrix.
The correct answer is B. Natural selection occurs through generations and is in which organisms best suited to their environment survive.
Our sleep cycles typically last usually 90 to 110 minutes on average.
