MS-LS4-6

Use mathematical representations to support explanations of how natural selection may lead to increases and decreases of specific traits in populations over time.

More Stories in MS-LS4-6

  1. Genetics

    What would it take to make a unicorn?

    Onward’s dumpster-diving unicorns seem like an impossibility. But scientists have some ideas about how unicorns could become real.

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  2. Health & Medicine

    Search speeds up for vaccine against the new coronavirus

    Scientists are investigating unusual ways to make drugs to prevent viral infections. One may even be able to treat already sick people.

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  3. Animals

    The many efforts to lick cat allergies

    Up to one in five people around the world may be allergic to cats. Science is coming to help their desire for kitty cuddles.

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  4. Health & Medicine

    Your most urgent questions about the new coronavirus

    Researchers have more questions than answers right now about 2019-nCoV. They’re racing to understand and stop the coronavirus and the health crisis it poses.

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  5. Fossils

    Small T. rex ‘cousins’ may actually have been growing teens

    Dinosaurs once thought to be mini cousins of Tyrannosaurus rex may have been merely adolescent members of the famous species, a new study suggests.

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  6. Environment

    Australian fires have imperiled up to 100 species

    As massive wildfires consume huge swaths of Australia’s bush, untold species — many of them found nowhere else — are now threatened with extinction.

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  7. Life

    Why some whales become giants and others are only big

    Being big helps whales access more food. But just how big a whale can get is influenced by whether it hunts or filter-feeds.

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