A temperate grassland and a tropical rain forest are both climax communities. What accounts
for the discrepancy in plant species in these 2 biomes?

Tropical rain forest

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.

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b. read the phase at the intersection of any given temperature and pressure.