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

    Unique dialects help naked mole-rats tell friends from foes

    Computer analysis reveals that these social rodents communicate with speech patterns distinct to each colony.

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  2. Health & Medicine

    Early details emerge about the new U.K. coronavirus variant

    The variant may spread more easily from person to person. That could make continuing to wear masks all the more important, experts say.

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  3. 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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  4. Space

    Surviving Mars missions will take planning and lots of innovation

    Astronauts that go to Mars will need protection from microgravity and radiation, plus mini-medical devices to diagnose problems and manage emergencies.

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  5. Health & Medicine

    Trio wins 2020 Nobel for discovery of hepatitis C

    It took 50 years from discovery of hepatitis C to its cure. For their pivotal work in this area, three men will take home a 2020 Nobel Prize.

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  6. Life

    Let’s learn about alligators and crocodiles

    Alligators and crocodiles seem similar — but they live in different places and look different, too.

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  7. Animals

    A single chemical may draw lonely locusts into a hungry swarm

    Swarms of locusts can destroy crops. Scientists have discovered a chemical that might make locusts come together in huge hungry swarms.

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  8. Animals

    Analyze This: Hurricanes may help lizards evolve better grips

    Lizards have larger toepads in areas that tend to have higher hurricane activity. This suggests high winds select for those that can hang tight.

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  9. Health & Medicine

    A Hong Kong man got the new coronavirus twice

    His is the first confirmed case of reinfection with this virus. His second bout was detected by accident, because he showed no symptoms.

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