Explain why tropical rain forests contain a large variety of plants and animals

Tropical rainforests occupy only 2% of the earth’s surface but it contains 50% of plants and animals on Earth. The reasons why plants and animals are abundant in this place are:  

1) Climate – Plants and animals get a lot of sunlight responsible for photosynthesis. Energy converted is stored by plants and then later consumed by animals.

2) Canopy structure- offers sources of food and shelter to plants and animals

answer; ///i believe that the correct answer is (e); check first good