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galina1969 [7]
3 years ago
5

When bacteria possess genetic variations that allow them to survive the presence of certain chemicals, we call that ....

Biology
1 answer:
Citrus2011 [14]3 years ago
6 0

Answer:

Mutations (I think)

Explanation:

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Which feature of earth is created at mid ocean ridges
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The correct answer is - underwater mountain ranges.

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How is a trophic cascade (top down regulation) different from the traditional trophic pyramid (bottom up regulation)?
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Top-down effects imply control through predation, including fishery, while

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<h3>What is Top down regulation ?</h3>

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<h3>What is Bottom up regulation ?</h3>

The bottom-up effect means that a lower trophic level in the biological network affects the community structure of higher trophic levels by means of resource restriction

Learn more about Top down and bottom up regulation here:

brainly.com/question/18996262

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David's diet is mostly made up of fried and processed foods. A blood test found that his was very high.
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