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. Fossils

    Dinosaur families appear to have lived in the Arctic year-round

    Fossils of baby dinosaurs in northern Alaska challenge the idea that northern dinosaurs only spent their summers in the high Arctic.

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  2. Archaeology

    Fossils unearthed in Israel reveal possible new human ancestor

    They come from a previously unknown Stone Age group that may represent a complex mashup of early members of our genus Homo.

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  3. Health & Medicine

    Will we all need COVID-19 booster shots?

    Experts say not yet, but booster vaccines may be coming as new SARS-CoV-2 virus variants keep emerging.

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  4. Life

    Let’s learn about dogs

    From learning the names of their toys to sniffing out viruses in human sweat, dogs are far more than household pets.

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  5. Animals

    Science and Indigenous history team up to help spirit bears

    When scientists and Indigenous people work together, their efforts can benefit bears and people.

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  6. Tiny spider uses silk to lift prey 50 times its own weight

    Dropping the right silk let’s a spider haul mice, lizards and other giants up off the ground.

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  7. Archaeology

    Harsh Ice Age winters may have helped turn wolves into dogs

    In the Ice Age, Arctic hunters may have turned to some game for their fatty bones. Much of those animals’ meat might have been left to domesticate dogs.

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  8. Archaeology

    This prehistoric woman from Peru hunted big game

    Women in the Americas speared large prey as early as 9,000 years ago, new archaeological evidence suggests.

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  9. Genetics

    Scientists Say: Evolution

    Evolution is how species change over time. Individuals in the group vary, and some will pass on their genes. Over time, the whole species changes.

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