Question

▪ > GIVE 3 Hypotheses for explaining why tropics show greatest level of species richness.

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Answer 1

Tropical latitudes receive more solar energy than temperate regions, which leads to high productivity and high species diversity. Tropical regions have less seasonal variations and have a more or less constant environment. This promotes the niche specialization and thus, high species richness.

Answer 2

Answer:

Three hypotheses used by scientists to explain species richness in the tropics are as follows:

• As tropical latitudes receive more solar energy compared to temperature regions, it results in high species diversity and high productivity

• Tropical regions have less seasonal variations and more or less constant environment promoting specialization and hence high species richness

• In the ice age, temperate regions faced glaciations whereas tropical regions were unchanged leading to an increase in the species diversity in that region.