100 likes | 218 Views
Chapter 21. Ecosystems. Table of Contents. Section 1 Terrestrial Biomes Section 2 Aquatic Ecosystems. Section 1 Terrestrial Biomes. Chapter 21. Objectives. Identify the eight major biomes. Compare tundra with taiga. Compare the different kinds of forests.
E N D
Chapter 21 Ecosystems Table of Contents Section 1 Terrestrial Biomes Section 2 Aquatic Ecosystems
Section 1 Terrestrial Biomes Chapter 21 Objectives • Identifythe eight major biomes. • Comparetundra with taiga. • Comparethe different kinds of forests. • Comparethe different kinds of grasslands. • Describethe adaptations of desert organisms.
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 • Tundrais a cold biome characterized by permafrost under the surface of the ground.
Section 1 Terrestrial Biomes Chapter 21 Tundra
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
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.
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.