Ecosystems

Ecosystems (Ch 16)

Labs

Math Skills

    1. Percentages

    2. Trophic Levels

Objectives

Section 1: What Is an Ecosystem?

  1. Distinguish an ecosystem from a community.

  2. Describe the diversity of a representative ecosystem.

  3. Sequence the process of succession.

Section 2: Energy Flow in Ecosystems

    1. Distinguish between producers and consumers.

    2. Compare food webs with food chains.

    3. Describe why food chains are rarely longer than three or four links.

Section 3: Cycling of Materials in Ecosystems

    1. Summarize the role of plants in the water cycle.

    2. Analyze the flow of energy through the carbon cycle.

    3. identify the role of bacteria in the nitrogen cycle.