MS-LS2-3

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

  1. 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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  2. Animals

    One tiny sea parasite survives 200 times atmospheric pressure

    Known as the seal louse, this tiny insect can survive deep oceanic dives on its mobile home, a marine mammal.

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  3. 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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  4. Ecosystems

    Soggy coastal soils? Here’s why ecologists love them

    Coastal wetlands can protect our shores from erosion, flooding and rising sea levels.

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  5. Animals

    Are coyotes moving into your neighborhood?

    How do coyotes survive in New York City, Los Angeles and Chicago? Researchers and citizen scientists are working together to find answers.

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  6. Microbes

    Some deep-seafloor microbes still alive after 100 million years!

    Some starving microbes nap while awaiting their next meal. For some living miles below the ocean surface, that nap may exceed 100 million years.

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  7. Environment

    Busy beavers may be speeding thaw of Arctic permafrost

    As climate change continues, busy beavers are expanding their range in Alaska. Their dams could further speed the loss of permafrost there and promote local warming.

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  8. Health & Medicine

    Dust can infect animals with flu, raising coronavirus concerns

    Dust particles kicked up from some virus-contaminated surface can become a source of new infections, rodent data show.

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  9. Animals

    What you need to know about ‘murder hornets’

    Two new specimens of the world’s largest hornet have just turned up in the United States. Here’s what to make of them and other alien-hornet invaders.

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  10. Planets

    Planets with hydrogen skies could harbor life

    Microbes can live in a hydrogen atmosphere. This points to new space worlds that host alien life.

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  11. Tech

    Our gut microbes love a good workout

    Technology shows how microbes in the body respond to exercise. That helps scientists understand why those microbes keep athletes healthy.

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  12. Environment

    Greener than burial? Turning human bodies into worm food

    Composting human bodies yielded good results — and good soil — in one small study. It could become an alternative to burial or cremation in one state.

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