Biology Practice Problems Community Structure Practice Problems Solution: The most plausible hypothesis to explain why speci...

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Solution: The most plausible hypothesis to explain why species richness is higher in tropical than in temperate regions is thata. 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. diversity increases as evapotranspiration decreases.

Problem

The most 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. diversity increases as evapotranspiration decreases.