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docker41 [41]
3 years ago
12

Fishes are poor bioindicators of the environmental health of an aquatic system.

Biology
1 answer:
SVETLANKA909090 [29]3 years ago
8 0

Answer:

b. False

Explanation:

Bioindicators are species, species groups or biological communities whose presence, abundance and conditions are biological indicative of a particular environmental condition. Bioindicators are important to correlate with a particular anthropogenic factor or a potentially impacting natural factor, representing an important tool in assessing the ecological integrity (health status of an area, defined by comparing the structure and function of a biological community between a impacted area and reference areas).

Contamination of aquatic environments and water for public use becomes a growing problem as human population growth expands, as does the demand for sufficient and quality water. Fish are very sensitive to contamination of aquatic environments and are therefore strong bioindicators of the environmental health of an aquatic system.

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3 years ago
After you’ve removed a loopful of broth culture from the culture tube, what’s your next step in preparing a smear?.
Vera_Pavlovna [14]

Given what we know, after you’ve removed a loopful of broth culture from the culture tube you should immediately apply a flame to the open end of the test tube.

<h3>Why would this be the next step?</h3>

Once you have removed the loopful of broth culture from the tube, you should apply a flame to the end of the tube, this is of vital importance. The reason for this is to deny any other contaminants from entering or exiting the culture sample.

Therefore, we can confirm that after you’ve removed a loopful of broth culture from the culture tube you should immediately apply a flame to the open end of the test tube.

To learn more about culture tubes visit:

brainly.com/question/5228823?referrer=searchResults

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Pavel [41]

Answer:

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Explanation:

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