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A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

NatureOne small ahaEcology

This marine mammals are famous for helping keep some kelp forests healthy by eating sea urchins.

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NatureOne small aha
Your new ahaSea otters.

Sea otters use dense fur rather than a thick blubber layer for insulation. Source: Sea otter ↗

ahamoraReference ↗

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More from Ecosystems

A few more worth knowing.

  1. 15Food web · explain the termRECALL
    A network showing who eats whom in an ecosystem.

    It is more realistic than a single food chain because most organisms have multiple relationships.

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  2. 16Gradual community change over timeRECALL
    Ecological succession

    Primary succession starts without soil

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  3. 17One species benefits while another is harmedRECALL
    Parasitism

    Ticks on mammals are an example

    Open this card ↗