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OCR GCSE biology > B6.1.6 > Flashcards

B6.1.6 Flashcards

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1
Q

How do scientists monitor pollution

A

They use indicator species to indicate the levels of pollution in different areas.

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2
Q

What is an indicator species of air pollution

A

Lichens can’t survive in them and therefore can be used to indicate high levels of SO2 pollution.

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3
Q

Indicator species of unpolluted water

A

Mayfly larvae

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4
Q

Indicator species of low polluted water

A

Freshwater shrimp

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5
Q

Indicator species of high polluted water

A

Water louse

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6
Q

Indicator species of very high polluted water

A

Sludge-worm

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OCR GCSE biology (87 decks)

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