APES Topic 1.2: Terrestrial Biomes (Interactive Digital Slides) Topic Name: 1.2: Terrestrial Biomes Enduring Understanding: ERT-1: Ecosystems are the result of biotic and abiotic interactions. Learning Objective: ERT-1.B: Describe the global distribution and principal environmental aspects of terrestrial biomes. Essential Knowledge: ERT-1.B.1: A biome contains characteristic communities of plants and animals that result from, and are adapted to, its climate.ERT-1.B.2: Major terrestrial biomes in