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ArchiveLesson #137Science

The Surprising Powers of Woodlice

Woodlice, also known as isopods, play a vital role in our ecosystem by breaking down plant matter and can withstand pollution. They have many fun names and a long history of cohabitation with humans.

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Standard version (B1-B2)

Standard: natural English

Woodlice are small crustaceans found in gardens and homes across Europe and the US. They are known for their ability to roll into a ball when threatened, a behavior called . Woodlice play an important role in the ecosystem by feeding on decaying plant matter. They have over 300 regional names in Britain, reflecting their close relationship with humans.

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Adapted from The Guardian, 3 August 2026, and rewritten at three levels by Newslish. Newslish is not affiliated with the source. Read the original.

Key vocabulary

  • detritivore

    an organism that feeds on dead organic material

    Woodlice are detritivores that help break down rotting plant matter.

  • conglobation

    the act of rolling into a ball for protection

    When threatened, woodlice exhibit conglobation to protect themselves.

  • niche

    a specific role or function of an organism in its environment

    The woodlouse found a useful niche as a detritivore.

  • ancestors

    early forms of a species from which later forms have evolved

    Woodlice's ancient ancestors moved onto land about 500 million years ago.

  • pollution

    the presence of harmful substances in the environment

    Woodlice can withstand toxic pollution, making them resilient creatures.

Quick quiz

01What is a woodlouse known for doing when threatened?

02What role do woodlice play in the ecosystem?

03How many regional names do woodlice have in Britain?

04How long ago did woodlice's ancestors move onto land?

Answered 0 of 4

Discussion

What role do you think small creatures like woodlice play in our environment?