Answer: Tropical rain forest
Step-by-step explanation:
Tropical rain forest covers the largest area of terrestrial biome. This biome has highest number of plant and animal species.
This has a variety of plant and animals that makes a rich biodiversity. This biome is a source of many pharmaceutical drugs. The biome can also be a source of wooden logs, various types of chemical compounds derived from the animal species and plant species as well.
This biome is a home for many of the animal and source of food as well.