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Biology 0610

20. Human influences on ecosystems

Pollution, deforestation, and conservation.

  1. 20.1

    Pollution, deforestation and conservation

    How human activity damages ecosystems, and what can be done.

    Full lesson1 questions5 cardsReview first: 19.1
    • 20.1.1Describe the causes and effects of water and air pollution, including eutrophication.
    • 20.1.2Describe the effects of deforestation and the need for conservation.