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. Health & Medicine

    How wriggling, blood-eating parasitic worms alter the body

    Parasitic worms eat blood and make people sick, but they may also help prevent or treat some diseases.

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  2. Animals

    Some ecologists value parasites — and now want a plan to save them

    Parasites get a bad rap as disease-causing, unwelcome guests on other organisms. But parasites are also imperiled, and scientists don’t want to lose them.

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  3. Environment

    Ponds made to control floods can spew climate-warming gases, study finds

    Younger stormwater ponds can release more carbon in gases than they absorb, a study finds. That could aggravate global warming.

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  4. Animals

    The end of the dinosaurs appears to have come in springtime

    Fish fossils from North Dakota suggest when the Chicxulub asteroid devastated Earth, triggering the mass extinction of dinosaurs and other species.

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  5. Animals

    World’s biggest colony of nesting fish lives beneath Antarctic ice

    Totally unexpected, it’s far, far larger than any other known community of nesting fish — fully one-third larger than the area of Washington, D.C.

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  6. Environment

    Recycling a climate-warming gas could make ‘greener’ farmed fish

    Instead of warming the climate, methane gas can be collected to help farmers. Along the way, it may also save some fish.

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  7. Animals

    Rewilding returns lost species to strengthen ecosystems

    Restoring the missing species can help undo human-caused problems by aiding forests, slowing climate change and reducing wildfires.

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  8. Earth

    Scientists Say: Savanna

    Savannas exist where there is more rainfall than in a desert, but less than in a forest.

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  9. Ecosystems

    Secret forest fungi partner with plants — and help the climate

    Forest fungi are far more than mere mushrooms. They explore. They move nutrients and messages between plants. They can even help fight climate change.

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  10. Animals

    Baleen whales eat — and poop — a lot more than we thought

    The amount of food that some whales eat and then poop out suggests these animals have a powerful influence over ocean ecosystems.

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  11. Oceans

    Scientists Say: Atoll

    Atolls form when coral reefs build up around underwater volcanoes.

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  12. Animals

    Let’s learn about elephants

    Check out five wild facts you may not know about a familiar animal: the elephant.

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