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. 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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  2. 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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  3. Animals

    Dinosaurs are still alive. Today, we call them birds

    Birds don’t look like the scaly giants of Jurassic World. But fossils are revealing how these modern-day dinosaurs descended from ancient reptiles.

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  4. Animals

    Horned lizards and snakes tend to ambush their prey

    The reptiles’ horns could help or hinder during foraging, depending on how they hunt. This might be why horns evolved in some species and not others.

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  5. Life

    Scientists Say: Ichnology

    This field of science looks to understand life — past and present — by studying how organisms altered their surroundings.

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  6. Animals

    Let’s learn about why turkeys are dinosaurs

    Modern birds are the only dinosaurs that survived an apocalyptic extinction event 66 million years ago.

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  7. Humans

    Scientists Say: Prehistoric

    Researchers rely on prehistoric tools and other artifacts to study the vast stretches of time before recorded history.

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  8. Math

    Bees and wasps devised the same clever math trick to build nests

    During nest building, these insects add five- and seven-sided cells in pairs. This helps their colony fit together hexagonal cells of different sizes.

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  9. Oceans

    How would a mermaid sound underwater?

    Human ears don’t work well in the water. A mermaid would need marine creature features to talk to and understand her aquatic friends.

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