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A LITTLE SOMETHING WORTH KNOWING

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ScienceOne small ahaBiology concept

A community of organisms and the physical environment with which it interacts.

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Your new ahaEcosystem

Ecosystem: Community of organisms interacting with their environment. Source: Ecosystem ↗

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More from From Cells to Species

A few more worth knowing.

  1. 18This broad term describes a close, long-term relationship between organisms of different species.RECALL
    Symbiosis

    Symbiosis describes a close, long-term relationship between species, like clownfish sheltering among stinging anemones.

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  2. 19The death of a species' last member completes this process.RECALL
    Extinction

    Extinction occurs once the very last member of a species dies out, as happened to the dodo bird.

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  3. 20His Beagle voyage and Galápagos observations helped shape his account of natural selection.RECALL
    Charles Darwin

    Charles Darwin developed his theory of natural selection partly from observations made on the Galápagos Islands.

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