MS-LS4-2

Apply scientific ideas to construct an explanation for the anatomical similarities and differences among modern organisms and between modern and fossil organisms to infer evolutionary relationships.

More Stories in MS-LS4-2

  1. 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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  2. Humans

    Genetics show humans likely trace back to Africa

    Our history began looking ever more complex once geneticists revealed our ancestors picked up new DNA as they traveled across time and continents.

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  3. 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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  4. 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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  5. 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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  6. 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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  7. Fossils

    Ancient creature revealed as lizard, not a teeny dinosaur

    CT scans of 99-million-year-old fossils of hummingbird-sized specimens trapped in amber reveal a number of lizardlike features.

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  8. Archaeology

    Fossils unearthed in Israel reveal possible new human ancestor

    They come from a previously unknown Stone Age group that may represent a complex mashup of early members of our genus Homo.

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  9. Animals

    Let’s learn about whales and dolphins

    Whales, dolphins and porpoises are all cetaceans — mammals that live in water and have a streamlined body similar to a fish.

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