MS-LS4-4

Construct an explanation based on evidence that describes how genetic variations of traits in a population increase some individuals' probability of surviving and reproducing in a specific environment.

More Stories in MS-LS4-4

  1. Animals

    Animals can do ‘almost math’

    Humans aren’t the only animals with a number sense. Scientists are trying to figure out where and when it evolved.

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  2. Fossils

    Speckled dino spurs debate about ancient animals’ colors

    Structures found in fossil dinosaur skin may give clues to the creatures’ colors and how they lived. But not all scientists agree on how to interpret what they see.

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  3. Animals

    Tasmanian devils begin to resist infectious cancer

    A deadly contagious cancer is spreading among Tasmanian devils. But the animals are evolving resistance, a new study finds.

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  4. Life

    Scientists watch germs evolve into superbugs

    To study how bacteria can evolve resistance to a wide variety of drugs, scientists spread the germs on a food-filled plate the size of a foosball table. Then, they watched resistance rise.

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  5. Genetics

    Wolf species shake-up

    A genetic study says red wolves and eastern wolves may really be mixtures of coyotes and gray wolves, not distinct species.

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  6. Life

    How a moth went to the dark side

    Peppered moths and some butterflies are icons of evolution. Now scientists have found a gene responsible for making them so.

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  7. Genetics

    Pacific islanders got a double dose of Stone Age DNA

    Unlike other people, certain Pacific Islanders inherited DNA from two ancient human ‘cousins.’

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