One Plausible Hypothesis to Explain Why Species Richness Is Higher

question 15

Multiple Choice

One plausible hypothesis to explain why species richness is higher in tropical than in temperate regions is that ________.

• A) tropical communities are younger
• B) tropical regions generally have more available water and higher levels of solar radiation
• C) higher temperatures cause more rapid speciation
• D) tropical regions have very high rates of immigration and very low rates of extinction

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Definitions:

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A list format used for presenting information clearly and concisely, often in an outlined or summarized manner.

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The process of listing or detailing items in a systematic and orderly manner.