I think it is C, since it does occur on land life, and I think it also occurs in marine life.
Answer:
They provide nutrients for the growth of plants
Explanation:
When plants and animals die, they become food for decomposers like bacteria, fungi and earthworms. Decomposers or saprotrophs recycle dead plants and animals into chemical nutrients like carbon and nitrogen that are released back into the soil, air and water.
Good luck on your test
Answer:
The 'cell membrane' also known as the plasma membrane or cytoplasmic membrane is a biological membrane that separates the interior of all cells from the outside environment. The cell membrane is selectively permeable to ions and organic molecules and controls the movement of substances in and out of cells
Explanation:
The bones and skin protect the animal body
