HS-LS1-2

Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.

More Stories in HS-LS1-2

  1. Animals

    Some sea stars channel light like fiber-optic cables

    The tiny cone-shaped structures in arms of chocolate-chip sea stars also triple their skeleton’s strength.

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  2. Animals

    The Cyclops may be an ancient myth, but one-eyed creatures are real

    The iconic Cyclops of The Odyssey might look like a massive, one-eyed person, but it might have more in common with creatures other than humans.

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  3. Math

    AI can be a helpful math tutor if used right — and harmful if not

    Using AI to learn math concepts can boost understanding. But if used to get quick answers, AI can become a crutch that hurts learning.

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  4. Animals

    Surprise! Wax seems key in turning honeybee larvae into queens

    Worker bees build some ‘cribs’ with a special wax. It seems to turn larvae into royals — and challenges the idea that royal jelly was all it took.

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  5. Life

    Scientists Say: Phenology

    This field of science identifies the environmental cues behind life cycle patterns.

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  6. Humans

    Explainer: What is ADHD?

    Short for attention deficit/hyperactivity disorder, ADHD affects how people think, learn and process information.

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  7. Animals

    Scientists Say: Amphisbaenian

    Little is known about these elusive soil-dwellers that resemble both worms and snakes.

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  8. Animals

    Songs prep unhatched finches’ brains for a hot world

    Adult finches make “heat calls” to their eggs when temps rise. Exposure to those songs trigger chicks' developing brains to change in ways that better handle heat.

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  9. Plants

    A geometric pattern lurks in Chinese money plant leaves

    Tiny water-oozing pores appear to shape the leaves’ veins into a “Voronoi diagram.”

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