Table of Contents

1
Table of Contents
Ecosystems
Chapter 21

• Section 1 Terrestrial Biomes
• Section 2 Aquatic Ecosystems

2
Objectives
Section 1 Terrestrial Biomes
Chapter 21

• 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.

3
The Major Biomes
Section 1 Terrestrial Biomes
Chapter 21

• The major types of terrestrial ecosystems, known
  as biomes, are tundra, tropical forest, temperate
  forest, taiga, temperate grassland, savanna,
  chaparral, and desert.

4
Earths Major Biomes
Section 1 Terrestrial Biomes
Chapter 21
5
Tundra
Section 1 Terrestrial Biomes
Chapter 21

• Tundra is a cold biome characterized by
  permafrost under the surface of the ground.

6
Tundra
Section 1 Terrestrial Biomes
Chapter 21
7
Forests
Section 1 Terrestrial Biomes
Chapter 21

• Tropical Forests
• Tropical forests receive abundant rainfall and
  have stable temperatures.
• They have a greater species richness than any
  other biome.

8
Tropical Rain Forest
Section 1 Terrestrial Biomes
Chapter 21
9
Forests, continued
Section 1 Terrestrial Biomes
Chapter 21

• Temperate Forests
• Temperate forests have coniferous trees, which
  bear seeds in cones, or deciduous trees, which
  shed their leaves each year.

10
Forests, continued
Section 1 Terrestrial Biomes
Chapter 21

• Temperate Deciduous Forests
• The trees in temperate deciduous forests shed all
  of their leaves in the fall.