Answer:
-temperature and rainfall
Step-by-step explanation:
Terrestrial biomes are defined as regions of similar vegetation and climates. Certain types of vegetation have specific growth requirements for their optimal water and temperature. They tend to thrive within regions where these needs are met, thus making up the dominant plant types.
At or close to the equator, biomes are warmer due to the high intensity of sunlight (the equatorial regions the most sunlight), and warmer air holds more moisture, making the regions more prone to rainfall.