Biomes are large regions defined by climate, vegetation, and animal life. There are terrestrial, freshwater, and marine biomes. Terrestrial biomes include forests, taiga, grasslands, and deserts. Taiga biomes are boreal forests of pine, spruce and larch found in high northern latitudes. Forest biomes are dominated by trees and have high biodiversity. Freshwater biomes include rivers and lakes with less than 1% salt content. Marine biomes contain 95.5% of earth's water and are divided into neritic, oceanic, and benthic zones based on depth and distance from shore. Ecosystems consist of biotic and abiotic components that interact as a