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Ecosystems II - Coggle Diagram
Ecosystems II
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Indicator species
Organisms who are very sensetive to changes in their environment can be studied to see the ffect of human activity
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Air pollution
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Blackspot fungus indicate clean air, they grow in rose leaves
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Pros and Cons
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Cons
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Don't take into account other factors like competition from other organisms or amount of food available
Alternatives
Dissolved oxygen meters and chemical tests can accurately measure the concentration of dissolved oxygen in water
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