HS-LS4-1

Communicate scientific information that common ancestry and biological evolution are supported by multiple lines of empirical evidence.

More Stories in HS-LS4-1

  1. Animals

    Mysterious kunga is the oldest known human-bred hybrid animal

    People bred these animals — part donkey, part wild ass — some 4,500 years ago, probably for use in fighting wars.

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  2. Animals

    Scientists discover the first true millipede

    The newfound deep-living species tunnels belowground using a whopping 1,306 legs!

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  3. Fossils

    ‘Penis worms’ could have been the original hermits

    These soft-bodied critters lived in abandoned shells about 500 million years ago, a new study suggests.

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  4. Fossils

    Fossils point to earliest dinosaurs that lived in herds

    A fossilized family gathering of long-necked Mussaurus from 193 million years ago is the earliest evidence yet of herd behavior in dinos.

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  5. Earth

    Explainer: The age of dinosaurs

    Take a trip back to the Mesozoic Era to explore how geologic events, ecosystems and evolution were connected during the so-called age of dinosaurs.

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  6. Humans

    The ultimate genealogical search hunts for our earliest ancestors

    The complex search to identify humans’ most distant cousins is long, complex and far from straightforward. It’s also far from over.

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  7. Animals

    What biologists call a species is becoming more than just a name

    The tree of life — evolution — has been reshaping how scientists name and classify organisms. Some want naming to reflect evolutionary groups even more.

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  8. Animals

    Will the woolly mammoth return?

    Scientists are using genetic engineering and cloning to try to bring back extinct species or save endangered ones. Here’s how and why.

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  9. Fossils

    Baby pterosaurs may have been able to fly right after hatching

    A bone crucial for lift-off was stronger in hatchling pterosaurs than in adults. The baby reptiles also had shorter, broader wings than grown-ups.

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