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Harman [31]
3 years ago
14

Lichens are important to an ecosystem because they

Biology
2 answers:
Strike441 [17]3 years ago
7 0
C prevents tree growth
Nana76 [90]3 years ago
3 0

C ITS C I TOOK IT I took the test

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3 years ago
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6 0
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Why is it protective for the crayfish to have its nerve cord on the bottom of its body?
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