Ch. 3-Different Kinds of Ecosystems

• Ecosystems and the major biomes can be described by their climate and the organisms that live there
• Earth's diversity of living things is decreased when species become extinct
• Earth's major biomes and ecosystems are made up of many populations of living things that interact with each other and with abiotic factors in various ways

biome -
tropical rain forest -
grassland -
desert -
deciduous forest -
taiga -
tundra -
river - 
lake -
wetland -
shoreline -
coastal ocean -
open ocean -
biodiversity -
extinct -
endangered -
How Do Earth's Major Ecosystems Differ?
    Read "Land Ecosystems--Earth's Biomes"
    Read "Water Ecosystems"

What Is Biodiversity & How Is It Changing?
    Read "Variety in Ecosystems"
    Read "The Challenge of Biodiversity"