HS-LS2-3

Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.

  1. Animals

    Explainer: People can sicken animals

    Wildlife can sometimes become infected with germs shed by people.

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  2. Microbes

    Life in the bacterial underground

    Tiny life forms in rock may coax minerals to release hydrogen for food.

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  3. Animals

    A fallout feast for crabs

    Crabs can take advantage of hot, toxic plumes from undersea vents to feed on poisoned plankton.

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  4. Climate

    A change in climate

    Global warming may be wiping out some plants and animals or pushing them into new habitats.

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  5. Earth

    Deep drilling at sea

    Drilling holes deep into the seafloor unveils the ocean's past and hints at Earth's future.

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