Answer:
A. Muscle and Nerve cells
Explanation:
These two kinds of cells remain in a non-dividing state. The rest of these cell types multiply/divide.
They use eras to divide the geological time scale.
A community means a group of various <em>different types of species</em> living together in a common location.
A population refers to a group of organisms of the <em>same species</em> living together in a location.
Therefore, <em>the statement communities only contain one population of organisms</em>, is False.
C. Oxygen and nutrients taken in by the respiratory system are transported to the circulatory system for transport around the entire body.
Also, B and D cannot be correct, as carbon dioxide is not wanted in the body (it's a waste product of respiration of the body cells)
<span>The enzymes are used to cut DNA sequences into smaller pieces. Therefore the answer is D.They break DNA into fragments that vary in size.</span>