it separates the inside of the cell from the environment outside and it controls substances moving in and out of the cell (selectively permeable)
<span> c. the bacteria that live in the intestine of a rabbit. The word biotic means anything pertaining to life. In ecology, the biotic factors refer to activities that of living organisms that affect other living organisms in the habitat.</span>
Oil <span>is the most common resources extracted from the ocean.</span>