Pollution Indicators Flashcards

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1
Q

What do freshwater shrimp indicate?

A

High oxygen in water

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2
Q

What do blood worms indicate?

A

High pollution or low oxygen

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3
Q

What does stonefly lava indicate then?

A

High oxygen in water

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4
Q

What do bloodworms and sludge worms have to help them carry oxygen?

A

Large surface areas and lots of haemoglobin

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5
Q

What do sludge worms indicate?

A

Low oxygen

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6
Q

How can scientists use Blackspot Fungus to estimate level of air pollution in an area

A

Estimate it on roses, if there is more pollution than there is lower levels of Black Spot Fungus

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7
Q

What is eutrophication?

A

Eutrophication is where there is a reduction of oxygen in water.

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8
Q

How is eutrophication caused?

A

It is caused by the overuse of nitrates (fertilisers) which are then washed into rivers.

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9
Q

What happens when eutrophication takes place?

A

As there is no oxygen in water, fish die.

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10
Q

What are ‘Indicator Species’?

A

Organisms that are very sensitive to changes in their environment that they can’t live in some conditions

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11
Q

Stonefly Larvae or Freshwater Shrimps indicate what?

A

Clean water

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12
Q

What can Stonefly Larvae and Freshwater Shrimp not live in?

A

A place where there’s not much oxygen in the water

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13
Q

If there is Blood Worms or Sludgeworms the water is what?

A

Polluted

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14
Q

What can Blood Worms or Sludgeworms live in?

A

Water without much oxygen

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