INDICATOR SPECIES
- Created by: mohammed abid
- Created on: 07-06-11 08:41
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INDICATOR SPECIES
the presence or absemce of an indicator species is used to estimate the levels of pollution.
- the stonefly larva is an insect that can only live in clean water.
- the bloodworm, water louse, sloudge worm and rat-tailed maggot are animals that can live in polluted water.
- lichen grow oon trees and rocks…
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