The cell membrane helps to control what enters and leaves a cell. The substance which accounts for two-thirds of a cells mass is water. That makes the answer D.
Organisms compete for the resources they need to survive- air, water, food, and space.
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X shaped chromosomes are linked together at a place called the centromere
Auricular Myiasis refers to fly larvae in the ear tissue. Myiasis is the inversion of body tissue of animal by the larvae of diptera or two winged flies. Myiasis parasitic infection by the fly larvae inside the while feeding on the tissue.
