Why is the Biodiversity of a Tropical Rainforest Very High

Question

Why is the biodiversity of a tropical rainforest very high?
A) due to high temperatures found year-round
B) due to the low amount of solar irradiance
C) due to the high amount of solar irradiance
D) due to the high levels of nutrients in the soil

Accepted Answer

The high amount of solar irradiance in tropical rainforests leads to high photosynthetic rates and a variety of niches available for different species to occupy, leading to high biodiversity.