Which of the Following Statements About the Relationship Between Species

question 63

Multiple Choice

Which of the following statements about the relationship between species richness and productivity in ecological communities is true?

• A) Species richness is usually highest in the most productive communities.
• B) Species richness is usually highest in the least productive communities.
• C) Species richness is frequently highest at an intermediate level of productivity.
• D) Species richness is frequently lowest at an intermediate level of productivity.
• E) Species richness is not correlated with productivity.

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Definitions:

Lactose Intolerant

A condition where the body cannot easily digest lactose, a type of sugar found in milk and dairy products.

Lactase

An enzyme found in the small intestine necessary for the digestion of lactose, the sugar found in milk.

Digestive System

Organ system that consists of digestive organs (stomach, intestines, etc.) and accessory organs (liver, etc.); ingests and digests food; absorbs nutrients and eliminates wastes.

Photosynthesis

A biochemical process in green plants and certain other organisms that converts light energy into chemical energy, using carbon dioxide and water to produce glucose and oxygen.