1. Climate: This encompasses the long-term weather patterns of a region, including temperature, rainfall, humidity, and wind. Different climates support different plant and animal communities. For example, the hot and wet climate of the rainforest allows for dense, lush vegetation, while the cold and dry climate of the tundra restricts plant growth.

2. Geographic Location: This refers to the specific latitude and altitude of a region. These factors influence the amount of sunlight received and the overall temperature range, both of which play a significant role in shaping the biome. For example, biomes near the equator tend to be warmer and wetter than those at higher latitudes.

It's important to note that while climate and geographic location are the most important factors, other aspects can also influence biome development, such as:

* Soil type: Different soil types offer varying levels of nutrients and water retention, impacting plant growth.

* Topography: The shape of the land, including elevation and slope, affects the amount of sunlight and rainfall a region receives.

* Fire: In some biomes, fire plays a crucial role in shaping the ecosystem.

* Human impact: Human activities like agriculture, deforestation, and pollution can alter biomes significantly.

Therefore, while climate and geographic location are the primary drivers, a complex interplay of factors ultimately determines the specific characteristics of a biome.