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. 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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  2. Tech

    Backyard leafhoppers inspire next-generation cloaking tech

    Engineers are borrowing this insect’s trick, an "invisibility cloak" of anti-reflective spheres. It could lead to new clean energy tech or military gear.

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  3. Life

    After the dino-killer asteroid, life bounced back quickly

    New ocean dwellers arrived millennia — maybe decades — after the Chicxulub impact. That forces a rethink of evolution's response to wipeout events.

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  4. Animals

    Lions have a second roar that scientists have only just discovered

    This insight from machine-learning analyses of recordings of calls in the wild might help detect where lions are declining.

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  5. Animals

    Chicago’s Rat Hole? Science concludes it’s likely not from a rat

    Researchers employed tools of paleontology to analyze the iconic landmark — a sidewalk critter crater made when a mystery rodent fell into wet concrete.

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  6. Animals

    Ants are better team players than people [COMIC]

    For ants, teamwork makes the dream work. For humans, teamwork can be a trip-up.

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  7. Animals

    Analyze This: Some bats feast on songbirds midflight

    Sensor data reveal greater noctule bats chasing, catching and chewing on birds during nighttime hunts.

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  8. Life

    Scientists Say: Benthic

    This ecological region teems with life — from coral to insect larvae to crabs.

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  9. Animals

    Parrotfish shape the future of coral reefs, one bite at a time

    Could these colorful fish aid struggling coral? Yes, but not always. Parrotfish play a complex role in reefs — and sometimes may cause harm.

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