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. Life

    Scientists Say: Taxonomy

    This field of study does more than just organize living things. It also reflects the history of life's evolution.

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  2. Fossils

    Newfound fossil is not a teen T. rex but a whole new species

    Now known as Nanotyrannus, this mini dino could have roamed the late Cretaceous alongside T. rex.

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  3. Plants

    Potatoes and tomatoes share a surprising history

    Today’s potato likely came from a chance cross between an ancient tomato and a spud-less potato-plant lookalike, research shows.

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  4. Humans

    A real-life vampire probably couldn’t survive on blood alone

    Vampires often have human bodies. To survive on blood, they’d need to shed millions of years of evolution. 

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  5. Science & Society

    A century later, impacts of the Scopes ‘Monkey Trial’ still echo

    The case fostered a major distrust of experts in parts of U.S. society, especially those challenging the Bible’s account that humans never evolved.

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  6. Fossils

    New clues about dino speed come from birds strutting through mud

    Fossilized footprints can help calculate how fast dinosaurs moved. But tests with guinea fowl show that past estimates might not be right.

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  7. Fossils

    North American rhinos once gathered in large, hippo-like herds

    The stumpy-legged rhinos survived until about 12 million years ago, when a supervolcano’s ashfall smothered their world.

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  8. Fossils

    Could Spinosaurus swim? That would make it a game changer

    Spinosaurus fossils are challenging the longstanding claim that ancient dinosaurs were never fully aquatic. And some paleontologists still aren’t convinced.

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  9. Humans

    Wiggling ears may have once helped boost human hearing

    Ancient ear muscles may not help us hear today. They can, however, offer one readout of how hard someone is trying to listen.

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