Multiple Choice
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) biodiversity increases as evapotranspiration decreases.
E) tropical regions have very high rates of immigration and very low rates of extinction.
Correct Answer:

Verified
Correct Answer:
Verified
Q6: According to the competitive exclusion principle, two
Q25: Use the following diagram of a hypothetical
Q63: Use the following diagram of five islands
Q64: The dominant species in a community is<br>A)characterized
Q65: Species richness increases<br>A)as we increase in altitude
Q67: All of the following have been used
Q69: Use the following diagram of five islands
Q72: Prairie dogs once covered the expanses of
Q73: Food chains are sometimes short because<br>A) only
Q73: Which of the following describes the relationship