HS-ESS2-7

Construct an argument based on evidence about the simultaneous coevolution of Earth systems and life on Earth.

More Stories in HS-ESS2-7

  1. Chemistry

    Extreme pressure? Diamonds can take it

    Diamond retains its structure even at extreme pressures, which could reveal how carbon behaves in the cores of some exoplanets.

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  2. Fossils

    The challenge of dinosaur hunting in deep caves

    Spelunkers aren’t the only people to find caves interesting. So do paleontologists. Though getting to work may be harrowing, they find it’s worth it.

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  3. Animals

    Minecraft’s big bees don’t exist, but giant insects once did

    Big bees buzz in Minecraft. In our world, blocky bees might starve and be stuck on the ground. Yet long ago, giant insects did roam our planet.

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  4. Earth

    A rainforest once grew near the South Pole

    A forest flourished within 1,000 kilometers of the South Pole. That was a while ago, as in millions of years ago.

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  5. Earth

    Study appears to rule out volcanic burps as causing dino die-offs

    New data on when massive volcanic eruptions happened do not match when the dinosaur mass extinction took place.

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  6. 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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  7. Earth

    Explainer: Understanding geologic time

    Geologic time is unimaginably long. Geologists puzzle it out using a calendar called the Geologic Time Scale.

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  8. Earth

    Oxygen-rich air emerged super early, new data show

    Scientists had thought animals were slow to emerge because they would have needed oxygen-rich air to breathe. A new study finds that plentiful oxygen may have developed early. So animals may have been late on the scene for another reason.

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  9. Fossils

    Clues to the Great Dying

    Millions of years ago, nearly all life on Earth vanished. Scientists are now starting to figure out what happened.

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