Question

In general, which ecosystem has the greatest species biodiversity?

• A. Tropical rainforest
• B. Desert
• C. Tundra
• D. Temperate deciduous forest
• E. Grassland

Answer 1

The correct option is A Tropical rainforest

A. Tropical rainforests have very high amount of rainfall of more than 250 cm/yr. Commonly found life forms are canopy trees and vast variety of hidden animals. These rainforests have greatest species biodiversity.

B. Deserts have low rainfall of less than 30 cm/yr. Commonly found life forms are cactus plants and plants with shallow root system due to scarcity of water and animals like snake, lizards and some insects

C. Tundra biome has very little rainfall of less than 25 cm annually. No trees are found as all the water is frozen. Only lichens are found in Tundra.

D. Temperate deciduous forest have moderate rainfall of about 75-150 cm/yr. Commonly found life forms are maple trees and animals like deer, racoon etc.

E. Grasslands have medium amounts of rainfall about 25-75 cm/yr. Commonly found life forms are grasses and animals like horse and bison.

So, the correct answer is 'Tropical rainforest'.