HS-LS2-1

Use mathematical and/or computational representations to support explanations of factors that affect carrying capacity of ecosystems at different scales.

More Stories in HS-LS2-1

  1. Animals

    Study finds big drop in animal populations since 1970

    But the same thing is not happening throughout the kingdom. For instance, more than half of vertebrate populations are stable or increasing.

    By Lindsey Konkel Neabore
  2. Animals

    Cougars pushed out by wildfires took more risks around roads

    After an intense burn in 2018 in California, big cats in the region crossed roads more often. That put them at higher risk of becoming roadkill.

    By Bethany Brookshire
  3. Environment

    Bacterial ‘living wires’ could help protect the seas and climate

    Long, thin bacteria that conduct electricity may be able to help clean up oil spills and reduce emissions of methane, a powerful greenhouse gas.

    By Nikk Ogasa
  4. Humans

    Eight billion people now live on Earth — a new record

    The global population hit this milestone on November 15, according to an estimate from the United Nations.

    By Allison Gasparini
  5. 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.

    By Kathryn Hulick
  6. 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.

    By Stephen Ornes
  7. Health & Medicine

    Dogs and other animals could aid the spread of monkeypox

    Now that monkeypox has spread to a dog, researchers fear other species could help the virus become widespread outside of Africa for the first time.

    By Tina Hesman Saey
  8. Animals

    Sleepy mosquitoes prefer dozing over dining

    Mosquitoes repeatedly shaken to prevent slumber lagged behind well-rested ones when offered a leg to feed on.

    By Anna Gibbs
  9. Animals

    Some Greenland polar bears are surviving with very little sea ice

    The ‘glacial mélange’ on which they’ve come to rely — a mix of ice, snow and slush — could be a temporary refuge for some polar bears.

    By Nikk Ogasa
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