MS-LS2-3

Develop a model to describe the cycling of matter and flow of energy among living and nonliving parts of an ecosystem.

More Stories in MS-LS2-3

  1. Life

    Scientists Say: Mycelium

    These fibrous networks are the reason plants think fungi are such "fun guys.”

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  2. Environment

    Fungi help rescue crops being harmed by microplastics

    Microplastics in the soil hinder plant growth. But two finalists at Regeneron ISEF found that fungi and farm waste can reduce the harm.

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  3. Environment

    Making yards more diverse can reap big environmental benefits

    Replacing grass with native plants uses less water and fewer chemicals while providing additional benefits to people and wildlife.

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  4. Ecosystems

    Scientists Say: Food web

    All the species in an ecosystem and the feeding relationships between them get summed up with this handy picture.

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  5. Environment

    Sea life may suffer as plastic bits alter metals in water

    This interplay between plastics and metals could affect how each affects the environment — and suggests opportunities for controlling their risks.

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  6. Chemistry

    Scientists Say: Rubisco

    Rubisco is a key protein in the process of photosynthesis, which feeds plants — and, in turn, us.

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  7. Environment

    This chemist uses online videos to teach about the perils of microplastics

    Imari Walker says her journey as a scientist and science communicator lets her talk about and advocate for her passion.

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  8. Environment

    Bacterial ‘living wires’ could help protect the seas and climate

    Long, thin bacteria that conduct electricity may be able to help clean up oil spills and reduce emissions of methane, a powerful greenhouse gas.

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  9. Humans

    What does charred ancient poop reveal about early animal-raising?

    Evidence from the dung may push the onset of animal raising back 2,000 years earlier than previously thought.

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