HS-LS2-5

Develop a model to illustrate the role of photosynthesis and cellular respiration in the cycling of carbon among the biosphere, atmosphere, hydrosphere, and geosphere.

More Stories in HS-LS2-5

  1. Plants

    Explainer: The fertilizing power of N and P

    Two elements — nitrogen and phosphorus — help plants grow. When the soil doesn’t have them, farmers might add them in the form of fertilizer.

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  2. Animals

    Bee hotels are open for business

    Bee hotels are creating a buzz in conservation and research by offering nesting places for wild bees.

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  3. Environment

    Trees can make summer ozone levels much worse

    The greenery can release chemicals into the air that react with combustion pollutants to make ozone. And trees release more of those chemicals where it gets really hot, a new study finds.

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  4. Genetics

    World’s tallest corn towers nearly 14 meters

    Short nights and a genetic tweak helped novel corn reach record heights.

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  5. Animals

    The shocking electric eel!

    Electric eels are fascinating animals. Their powerful zaps can act like a radar system, trick fish into revealing their location and then freeze their prey’s movements.

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  6. Health & Medicine

    Cool Jobs: Finding foods for the future

    What's for dinner... tomorrow? Scientists are developing new foods to meet the demands of the growing population in a changing world.

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  7. Agriculture

    Made in the shade

    Agroforestry combines woody plants and agriculture. Growing trees alongside crops and livestock benefits wildlife, environment, climate — and farmers.

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