You should always suppose to have safety goggles because you don't want to hurt your eyes
Cytokinesis is the point at which a cell with duplicated genetic material becomes two daughter cells with identical DNA.
<span>Every living thing needs food. Whether it makes it, or gets it from another living thing by eating that living thing. No living thing can survive without a food source. Food is where you get the energy for life.</span>
D. A struggle for existence is apparent.
If a struggle for existence is apparent, natural selection occurs because all of the weak/unfit/unadapted ones die.