MS-LS2-4

Construct an argument supported by empirical evidence that changes to physical or biological components of an ecosystem affect populations.

More Stories in MS-LS2-4

  1. Health & Medicine

    Will we all need COVID-19 booster shots?

    Experts say not yet, but booster vaccines may be coming as new SARS-CoV-2 virus variants keep emerging.

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  2. Environment

    Pond scum can release a paralyzing pollutant into the air

    New study finds blooms of blue-green algae can seed the air with a poisonous pollutant.

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  3. Ecosystems

    Urchin takeover underlies California’s vanishing kelp forests

    Some 95 percent of kelp forests along its northern coast are gone. Meanwhile, sea otters are helping slow the loss of surviving kelp farther south.

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  4. Health & Medicine

    Urban pollution can pose unseen risks to kids’ immunity and more

    A trio of new studies links immune changes and high blood pressure to inhaling bad air.

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  5. Plants

    Urban gardens create a buffet for bees

    City gardens provide a huge amount of nectar and pollen for pollinators, making them an essential conservation tool.

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  6. Moderna and Pfizer vaccines appear to cut coronavirus spread

    The vaccines are about 90 percent effective at blocking infection, which should cut spread of the virus. And at least one vaccine works well in teens.

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  7. Climate

    Changing climate now threatens northern lakes year round

    Lakes in northern climes are getting warmer, and that’s not good for people, plants or animals.

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  8. Microbes

    Some microbial hitchhikers may weaken body’s attack on COVID-19

    New research identifies an altered mix of microbes in the body — ones commonly seen in people with poor diets — that may worsen coronavirus disease.

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  9. Health & Medicine

    Some young adults will volunteer to get COVID-19 for science

    Researchers will soon give some healthy people the new coronavirus. Their young volunteers have agreed to get sick to speed coronavirus research.

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