HS-LS2-2

Use mathematical representations to support and revise explanations based on evidence about factors affecting biodiversity and populations in ecosystems of different scales.

  1. Animals

    Food-like smell on plastic may lure seabirds to eat it

    When plastic smells like supper, seabirds and other animals can be fooled into thinking it is food.

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  2. Brain

    What makes a pretty face?

    Beautiful faces are symmetrical and average. Do we prefer them because this makes them easier for our brains to process?

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  3. Animals

    Meet scientists who take on the study of life

    What does a scientist look like? Meet these amazing women in biology.

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  4. Agriculture

    Sneaky! Virus sickens plants, but helps them multiply

    The cucumber mosaic virus helps tomato plants lure pollinators. When the plants multiply, the virus now gets new hosts.

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  5. Animals

    Cool Jobs: Linking animal health to human health

    Scientists who watch out for diseases in wild animals also can play a role in keeping people from getting sick.

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  6. Ecosystems

    Algae embedded in sea ice drive the Arctic food web

    Scientists traced where zooplankton in the Arctic get their energy from. Many open ocean species rely on algae found in sea ice, which is disappearing.

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  7. Animals

    GM mosquitoes cut rate of viral disease in Brazil

    Adults males carrying the altered gene cannot father young that survive to adulthood. That’s when they suck blood — and can transmit disease.

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  8. Fossils

    Parasites wormed their way into dino’s gut

    Tiny burrows crisscross the stomach of a 77-million-year-old dinosaur fossil. These may be tracks left behind by slimy parasitic worms.

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  9. Earth

    Seafloor hosts surprising number of deep-sea vents

    A new sensor detects changes in seawater chemistry and finds far more ecosystem-supporting seafloor vents than scientists had believed were out there.

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  10. Animals

    Catching ‘Dory’ fish can poison entire coral reef ecosystems

    More than half of saltwater-aquarium fish sold in the United States may have been caught in the wild using cyanide, new data show.

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  11. Earth

    Fighting big farm pollution with a tiny plant

    Fertilizer runoff can fuel the growth of toxic algae nearby lakes. A teen decided to harness a tiny plant to sop up that fertilizer.

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  12. Animals

    Why some frogs can survive killer fungal disease

    A disease is wiping out amphibian species around the globe. New research shows how some frogs develop immunity.

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