MS-LS2-4

Construct an argument supported by empirical evidence that changes to physical or biological components of an ecosystem affect populations.

More Stories in MS-LS2-4

  1. Oceans

    Healthy coral reef sounds attract fish searching for a home

    Playing the sounds of a healthy reef can help attract fish to dying corals, helping rebuild their community.

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  2. 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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  3. 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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  4. Microbes

    Globetrotting microbes in airplane sewage may spread antibiotic resistance

    Along with harder-to-kill microbes, airplane sewage contains a diverse set of the genes that let bacteria evade antibiotics.

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  5. Microbes

    Drug-resistant germs kill some 35,000 Americans each year

    The new mortality rate may be way low, some experts say. Also troubling are two new germs that have emerged as big and urgent threats.

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  6. Animals

    Hunting hidden salamanders with eDNA

    The Japanese clouded salamander is an elusive beast. To find a new population, three teens turned to high-tech methods.

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  7. Health & Medicine

    Scientists discover how norovirus hijacks the gut

    Noroviruses make people vomit, but scientists didn’t actually know why. It now turns out that those viruses cause their misery by attacking special “tuft” cells in the gut.

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