Tropical Rainforest EcosystemsLocated in tropical regions, rainforests possess a greater diversity of plant and animal life than any other type of ecosystem. As their name implies, precipitation is significant, leading to dense, verdant vegetation. Trees grow very tall as they compete for sunlight, and animals live in their canopy.
Grassland EcosystemsGrasslands, located in semi-arid zones, contain wide, treeless expanses often inhabited by grazing animals. Sub-categories of grassland ecosystems include savannas, which are found in the tropics; prairies, situated in temperate regions; and steppes, which can be found in either climate.