What are the two major factors determining the distribution of terrestrial biomes?

temperature and rainfall

Rainfall and temperature

Explanation:

The type of terrestrial biomes that occurs in different parts of the world is mainly influenced by rainfall and temperature. The density, height, and diversity of species decreases from warm, wet climates to cool, dry climates. The differences in rainfall and temperature, which are important climatic factors, determine the distribution of terrestrial biomes across the world.

For example, low rainfall is a main climatic factor that influences the variety of plant species that are found in desert biomes.