Which abiotic conditions exert the greatest influence on biome classification?

Abiotic factors are non-living physical environmental factors that affect living organisms and the ecosystem. These factors include temperature, humidity, rainfall, sunlight among others, they affect the way living things thrive and adapt to an ecosystem. Biomes are communities of plant and animals with similar characteristics in an environment they thrive in. Rainfall and temperature are the abiotic factors that exert greatest influence in the Biome classification.