MTTC Integrated Science (Secondary) (094) Practice Test

Biomes reflect the climate patterns of an area, especially how temperature and rainfall vary through the year. In temperate regions, the climate shows four distinct seasons—cold winters and warmer summers with moderate, year-round precipitation. This seasonal cycle supports broadleaf forests where trees shed their leaves in winter and regrow them in spring, creating a diverse, layered ecosystem typical of a temperate forest. While grasslands can exist in temperate zones, they are usually dominated by grasses rather than dense trees, often due to less rainfall or fire regimes. Deserts have very low, unreliable rainfall, and tropical rainforests stay warm and wet all year, lacking distinct seasonal temperature changes. Thus, the biome most characteristic of temperate regions with distinct seasons is the temperate forest.