Which of the following statements best describe(s) the effects of eutrophication in a river? I. Increase in nutrients
II. Stable algae populations
III. Oligotrophic water

A.) I only
B.) II only
C.) I and III only
D.) II and III only

II and III

Explanation:

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the cell is the smallest structural and functional unit of living organisms, which can exist on its own. therefore, it is sometimes called the building block of life. some organisms, such as bacteria or yeast, are unicellular—consisting only of a single cell—while others, for instance, mammalians, are multicellular.