Which action is harmful to organisms living in water ecosystems

Answers

Answer 1

general pollution! as well as cultural eutrophication! could be harmful to water ecosystems and are in fact the most prominent reason. pollution could include excess fertilizer run off going into a creek. the nitrogen and phosphorus will create a perfect environment for algae and bacteria. thus leading to cultural eutrophication.

Related Questions

. The small fish are not affected by the pesticide, but death occurs in the bird, at the top of the food chain. Why do you think that happens?

Answers

Small fish absorb minute amounts of pesticides.

The birds of prey consume many fish to satisfy their dietary needs. The pesticides accumulate and concentrate in the bird, continued exposure overwhelm the predator.

what if living cells released all their energy at once

Answers

Answer:

they will lose their energy and die

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Some genes are important enough to be called "molecular switch" or "master" genes. What is the purpose of these genes?

A. They control when other genes are expressed
B. They determine the organization of the genome
C. They regulate cell metabolism
D. They modulate the rate of translation

Answers

Answer:

Genes called "molecular switch" or master genes have the purpose of control when other genes are expressed (option A).

Explanation:

Master gene is so named because it has the function of controlling the behavior of other genes, organizing their functions and regulating when they can be expressed.

The name of molecular switch is synonymous with the master gene, since its activation determines the genetic regulation necessary to establish cell differentiation and even the determination of the sex of some species.

The other options are not correct because:

B. Master genes do not determine the organization of the genome .

C. Regulation of cell metabolism depends of substances as hormones and enzymes.

D. The rate of translation does not depend on the activity of master genes.

I need help ................

Answers

Answer:

thats easy bro ;0

Explanation:

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