HS-LS2-8

Evaluate the evidence for the role of group behavior on individual and species' chances to survive and reproduce.

  1. Fossils

    Great white sharks may be partly to blame for the end of megalodons

    Zinc levels in shark teeth hint that megalodons and great whites competed for food — and great whites won.

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  2. Plants

    Catnip’s insect-repelling powers grow as Puss chews on it

    Damaging the leaves boosts the plant’s chemical defenses — and their appeal to cats.

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  3. Animals

    Sleepy mosquitoes prefer dozing over dining

    Mosquitoes repeatedly shaken to prevent slumber lagged behind well-rested ones when offered a leg to feed on.

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  4. Animals

    Some Greenland polar bears are surviving with very little sea ice

    The ‘glacial mélange’ on which they’ve come to rely — a mix of ice, snow and slush — could be a temporary refuge for some polar bears.

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  5. Animals

    Palm-size marsupials may face extinction from wild ‘house’ cats

    After surviving Australian bushfires, the Kangaroo Island dunnart is losing ground as it's targeted by hungry predators.

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  6. Animals

    Watch how a western banded gecko takes down a scorpion

    New high-speed video reveals how normally mild-mannered geckos can violently shake venomous prey into submission.

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  7. Animals

    Here’s why cricket farmers may want to go green — literally

    Crickets are great sources of protein, but they often kill each other in captivity. Green light could help solve the problem, two teens find.

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  8. Animals

    Scientists Say: Migration

    Migration involves the movement of animals or people from one place to another.

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  9. Animals

    Analyze This: Birds may decorate nests to scare off rivals

    Birds that nest in holes face stiff competition for nest sites. Some use feathers, also found where predators have made a kill, to keep rivals away.

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  10. Animals

    Orcas can take down the largest animal on the planet

    For the first time, scientists observed that orcas can kill blue whales by using the same hunting techniques that have worked on other large whales.

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  11. Animals

    See the world through a jumping spider’s eyes — and other senses

    Scientists are teasing out the many ways the spiders’ vision, listening and taste senses differ from ours

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  12. Animals

    Goldfish driving ‘cars’ offer new insight into navigation

    Fishes’ internal sense of direction is not limited to their natural environment. The latest Wild Things cartoon from Science News for Students.

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