Solar power/energy or hydroelectric plants
Answer:
IV: Student grade level (6th, 7th, 8th)
DV: "Loudness" (Operationalizing this variable would be beneficial, or in other words, define a way to measure it)
Explanation:
With ideal environmental factors, bacteria are able to reproduce at a very rapid pace.
<h3>Bacterial reproduction</h3>
Bacteria reproduce mainly by a single cell dividing into two, given the right condition. In order words, they reproduced by binary fission.
When environmental conditions are optimum, a typical bacterial cell can divide every 4 to 20 minutes depending on the species.
The time can become longer with sub-optimal environmental conditions.
More on bacterial reproduction can be found here: brainly.com/question/600239
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The type of evolutionary mechanism that occurred was natural selection
