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Extreme Disturbances in Ecosystems

A pioneer species

C. is the first species in a barren area.

After an extreme disturbance, what is the first thing to form in an ecosystem?

D. a group of lichens

The melting and subsequent retreat of glaciers is a long process that may take centuries. Why is something so slow considered an extreme disturbance?

C. They leave behind bare rock with no established ecosystem

Currently, which event is having the greatest effect on the entire interconnected ocean ecosystem?

B. plastic pollution

Volcanic eruptions can

A. drastically alter the ecosystem.

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Kerchow
4 answers

  1. 100% right thx

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    King_BOO

  2. Kerchow is 100% right!
    C. is the first species in a barren area.
    D. a group of lichens
    C. They leave behind bare rock with no established ecosystem
    B. plastic pollution
    A. drastically alter the ecosystem.

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    dummy queen

  3. @Kerchow is correct 100%đź‘Ť
    Thank you.

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    Blues Clues

  5. All are correct except the first one isnt a question anymore and there is a new one added at the end.

    Q~Of the following disturbances, which can only be categorized as extreme (i.e., could not be considered small or medium in scale)?(1 point)
    A~rapid glacial retreat due to climate change

    yw <3

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    Dont worry about it

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