B6.1.6 - Monitoring Biodiversity Flashcards

1
Q

If an area is polluted, will there be a lot of organisms?

A

No

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2
Q

What are indicator species?

A

Species that can be used to identify environmental quality

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3
Q

Give an example of a substance which contributed to air pollution.

A

Sulfur dioxide

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4
Q

What does sulfur dioxide lead to?

A

Acid rain

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5
Q

How is sulfur dioxide released into the atmosphere?

A

It is released during the combustion of fossil fuels

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6
Q

What species is used as an indicator species for air pollution?

A

Lichen

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7
Q

Why do lichens rely on air quality so much?

A

They have no roots so they rely on nutrients from the air

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8
Q

If there are not many lichens present within an area, how polluted is the area?

A

Highly polluted

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9
Q

What is water pollution caused by?

A

The discharge of harmful substances into rivers, lakes and seas

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10
Q

Why can some organisms survive in highly polluted water?

A

They do not require as much oxygen to survive

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11
Q

Give an example of an organism which can survive high levels of water pollution.

A

Sludge worm

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