Which of the Following Is a Widely Supported Explanation for the Tendency

question 22

Multiple Choice

Which of the following is a widely supported explanation for the tendency of tropical communities to have greater species diversity than temperate or polar communities?

• A) There are fewer parasites to negatively affect the health of tropical communities.
• B) Tropical communities are low in altitude, whereas temperate and polar communities are high in altitude.
• C) Tropical communities have higher sunlight and precipitation, and are generally older than temperate or polar communities.
• D) More competitive dominant species have evolved in temperate and polar communities.

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