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

    RNA from mummified woolly mammoth is the oldest ever recovered

    Genetic details from the animal, named Yuka, give a snapshot into its last moments alive. The mammoth had been preserved in permafrost for 40,000 years.

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  2. Fossils

    Here’s why ammolite gems have a rainbow shimmer

    The fossils’ fabulous colors arise from delicate assemblies of crystal plates.

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  3. 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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  4. 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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  5. Humans

    Smoke-dried mummies found in Southeast Asia are the oldest known

    The corpses had been slow-dried over fires 12,000 years ago — millennia before Egyptians began mummifying their dead.

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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. 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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  8. 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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  9. 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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