MS-LS2-1

Analyze and interpret data to provide evidence for the effects of resource availability on organisms and populations of organisms in an ecosystem.

  1. Animals

    Spiders can take down and feast on surprisingly big snakes

    Snared in sticky webs and subdued by poison, even venomous snakes can become a spider’s soup.

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  2. Fossils

    Sudden shark die-off 19 million years ago eliminated most species

    New fossil evidence shows 90 percent of sharks died in the mysterious event.

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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. Microbes

    Several plant-like algae can morph into animal-like predators

    Single-celled green algae swim through water as free cells. Most use only photosynthesis for their energy. But not all of them, a new study shows.

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  5. Animals

    Changing people’s behavior can make bear life better

    Black bears don’t always live life on the wild side. More and more, they live near people. Here’s how people and bears can get along.

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  6. 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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  7. Agriculture

    Healthy soils are life-giving black gold

    Scientists explain why everyone needs to value the soils beneath our feet — and why we should not view them as dirt.

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  8. Ecosystems

    Can people protect as much space as nature needs?

    To save biodiversity, nations are drafting a plan to protect 30 percent of Earth by 2030. Up for debate is how best to do that.

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  9. Plants

    How to grow your own science experiment

    Does fertilizer help plants grow better? You might expect it to, but how can you know? This experiment will help you test it yourself.

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  10. Oceans

    Analyze This: Shipwrecks provide a home for bottom-dwelling fish

    Fish have found a habitat in a submarine and freighter that sunk to the seafloor during World War II.

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  11. Animals

    Whales get a second life as deep-sea buffets

    When a whale dies and sinks to the seafloor, it becomes a feast for hundreds of different types of creatures.

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  12. A dirty and growing problem: Too few toilets

    As the famous book says, everybody poops. That’s 7.8 billion people, worldwide. For the 2.4 billion with no toilet, the process can be complicated.

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