Table of Contents Chapter 21 Ecosystems Table of Contents Section 1 Terrestrial Biomes Section 2 Aquatic Ecosystems

Objectives Chapter 21 Identify the eight major biomes. Section 1 Terrestrial Biomes Chapter 21 Objectives Identify the eight major biomes. Compare tundra with taiga. Compare the different kinds of forests. Compare the different kinds of grasslands. Describe the adaptations of desert organisms.

The Major Biomes Chapter 21 Section 1 Terrestrial Biomes Chapter 21 The Major Biomes The major types of terrestrial ecosystems, known as biomes, are tundra, tropical forest, temperate forest, taiga, temperate grassland, savanna, chaparral, and desert.

Section 1 Terrestrial Biomes Chapter 21 Earth’s Major Biomes

Section 1 Terrestrial Biomes Chapter 21 Tundra Tundra is a cold biome characterized by permafrost under the surface of the ground.

Section 1 Terrestrial Biomes Chapter 21 Tundra

Forests Chapter 21 Tropical Forests Section 1 Terrestrial Biomes Chapter 21 Forests Tropical Forests Tropical forests receive abundant rainfall and have stable temperatures. They have a greater species richness than any other biome.

Section 1 Terrestrial Biomes Chapter 21 Tropical Rain Forest

Forests, continued Chapter 21 Temperate Forests Section 1 Terrestrial Biomes Chapter 21 Forests, continued Temperate Forests Temperate forests have coniferous trees, which bear seeds in cones, or deciduous trees, which shed their leaves each year.

Forests, continued Chapter 21 Temperate Deciduous Forests Section 1 Terrestrial Biomes Chapter 21 Forests, continued Temperate Deciduous Forests The trees in temperate deciduous forests shed all of their leaves in the fall.