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.

More Stories in HS-LS2-2

  1. Animals

    Calls of the wild offer sound guidance for protecting animals

    The wild world is full of roars, whoops and songs. Scientists are using such sounds to guide efforts to help save species at threat of extinction.

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  2. Life

    Some germs ride a superhighway at the edge of space

    Some microbes common on Earth’s surface lead a secret double life. Soaring higher than jumbo jets, they carry clues about disease spread and alien life.

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  3. Animals

    Watch an orca smash into a sunfish hard enough to make it explode

    This tactic expands killer whales’ already broad range of behaviors for taking down prey.

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  4. Microbes

    This microbe turns into a ‘Hulk’ that eats its own kind

    The shape-shifting transformation of Euplotes gigatrox may reveal how early life learned to act in complex ways.

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  5. Animals

    Meet Bruce, the disabled kea parrot who is the boss of his flock

    With half a beak, Bruce has developed a unique fighting style that has won him top status in his flock, videos and documented interactions reveal.

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  6. Science & Society

    This evolutionary biologist fuses art into her science

    Victoria Glynn is studying how high temperatures are affecting ocean plankton. She also makes art to help communicate science to the public.

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  7. Oceans

    Explainer: What are corals?

    Though they can look like rocks or plants, corals are animals. Most are made up of colonies of individuals called polyps.

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  8. Plants

    Scientists Say: Superbloom

    These massive wildflower blooms create colorful carpets over desert landscapes during unusually rainy years.

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  9. Ecosystems

    Hurricane Katrina shaped this coastal ecologist’s life and work

    Surviving Hurricane Katrina inspired Elliott White Jr.’s scientific journey to studying how humans and climate change impact wetlands.

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