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pav-90 [236]
3 years ago
10

1. The barnacles secrete a cement-like substance that anchors them to rocks in the

Biology
1 answer:
almond37 [142]3 years ago
4 0
Correct answer is a. intertidal zone
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The formula for this reaction would be

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Antibiotic resistance evolves naturally via natural selection through random mutation, but it could also be engineered by applying an evolutionary stress on a population. ... The antibiotic action is an environmental pressure; those bacteria which have a mutation allowing them to survive will live on to reproduce.

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