B6.1.6 Flashcards
1
Q
How do scientists monitor pollution
A
They use indicator species to indicate the levels of pollution in different areas.
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.
3
Q
Indicator species of unpolluted water
A
Mayfly larvae
4
Q
Indicator species of low polluted water
A
Freshwater shrimp
5
Q
Indicator species of high polluted water
A
Water louse
6
Q
Indicator species of very high polluted water
A
Sludge-worm
