Question
Why are lichens important bioindicators?A. They are susceptible to drought.B. They are unicellular.C. They are mutualistic.D. They are susceptible to air pollutants.
Step 1
Lichens are organisms that are a combination of fungi and algae or cyanobacteria. They are not plants and they derive their water and essential nutrients mainly from the atmosphere rather than from the soil. Show more…
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SAMPLE TEST
Biology E/M Sample Test 2
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