What is the biome with the richest abundance of life?

The richest abundance of life is found within the equatorial forest biome.

This biome is located in the equatorial region:

with a large number of animals and plants species; the forest is formed by several layers (at the base are grasses, algae, ferns, trees under 10 m and 25-35 m and the trees up to 50 m).the rubber tree, the cocoa tree, the coffee tree, banana trees;different animals.

H=   2(area/a+b)h= 2(144/a+b)h= 2(144/18+18)h= 2(144/36)h= 2(4)h=8

Themes; subfields is the answer