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A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

ScienceOne small ahaBiology concept

Grass to rabbit to fox: this sequence traces energy passing between feeding organisms.

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Your new ahaFood Chain

Food Chain: Sequence showing how energy passes between organisms. Source: Food chain ↗

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More from From Cells to Species

A few more worth knowing.

  1. 27Preserved remains or traces of ancient life.IDENTIFY
    Fossil

    Fossils preserve remains or traces of ancient life across long geological timescales, like dinosaur bones in rock layers.

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  2. 28A caterpillar becoming a butterfly illustrates this developmental transformation.RECALL
    Metamorphosis

    Metamorphosis transforms an animal's body form during development, most famously a caterpillar becoming a butterfly.

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  3. 29These animals have backbones and include fish, birds, and mammals.RECALL
    Vertebrates

    Vertebrates are animals defined by having a backbone, a group spanning fish, birds, and mammals.

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