HS-LS4-4

Construct an explanation based on evidence for how natural selection leads to adaptation of populations.

More Stories in HS-LS4-4

  1. Animals

    This biologist uses microwave radiation to save endangered species

    Pei-Chih Lee works to preserve genetic material that can help researchers learn more about endangered animals, such as pandas and clouded leopards.

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  2. Humans

    Let’s learn about Neandertals

    Neandertals are an extinct species closely related to modern humans. They made tools and jewelry, controlled fires and cared for their sick.

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  3. Animals

    This parasite makes wolves more likely to become leaders

    Gray wolves infected with Toxoplasma gondii make riskier decisions. This makes them more likely to become pack leaders or strike out on their own.

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  4. Environment

    Microplastic pollution aids viruses and prolongs their infectivity

    The tiny plastic bits give these germs safe havens. That protection seems to increase as the plastic ages and breaks into ever smaller pieces.

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  5. 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.

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  6. Fossils

    Sprinting reptiles may have been forerunners of soaring pterosaurs

    A new analysis of an old fossil supports the idea that winged pterosaurs evolved from swift and tiny two-legged ancestors.

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  7. Animals

    Sea creatures’ fishy scent protects them from deep-sea high pressures  

    TMAO’s water-wrangling ability protects a critter’s critical proteins — including muscle — from crushing under deep ocean pressures.

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  8. Animals

    How boa constrictors squeeze their prey without strangling themselves

    Tracking boas’ ribs in X-ray videos revealed the snakes’ squeezing secrets. It’s the latest Wild Things cartoon from Science News Explores.

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  9. Health & Medicine

    Explainer: What is mpox (formerly monkeypox)?

    Once rare, the viral disease monkeypox exploded onto the global scene for the first time in 2022.

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