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vazorg [7]
3 years ago
5

Which of these is a benefit of aquaculture? A. It can help feed a growing human population B. It can pollute natural bodies of w

ater C. It can threaten the livelihood of fisher D. It can pass diseases to native fish populations
Biology
1 answer:
V125BC [204]3 years ago
6 0
The answer is A.

The answer is A because that is the only positive of the entire set of answers.

B has a negative word of pollution which is something we are currently trying to stop.

C has threaten which would make other fish populations threatened or other aqua culture

And D has diseases which is obviously negative for the fact that diseases causes death and will ultimately lead to an endangered or extinct species if mutations or adaptions are not made.

Hope this helps!
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A male cardinal's red color is an example of a trait affected by natural selection. The females of the species choose mates
kompoz [17]

Answer:

In the cardinals, if the females start using a different criterion than the color of the feather when they choose couple, most likely to happen is that decreased variation in the shades of red because no form of the trait is advantageous.

Explanation:

Options for this question are:

  • <em>Increased variation in the shades of red because the selection pressure has been relieved.</em>
  • <em>Increased variation in the shades of red because the cardinals try different ways to impress the females.</em>
  • <em>Decreased variation in the shades of red because no form of the trait is advantageous.</em>
  • <em>Decreased variation in the shades of red because the only reason for variation was selection pressure.</em>

In the context of natural selection, male cardinals court females using the coloring of their feathers as a form of sexual selection. This means that the shades of red in the feathers are a selection criterion in these birds, and the more visible shades represent an advantage.

But, if the selection criterion was not the color of the feathers, this trait would no longer represent an advantage in the competition between the males to be chosen as a mate. Instead, the trait that would determine sexual selection would be the one that experiences an increase in its variation<em>.</em>

5 0
3 years ago
What is the name of each animal... for example at no. 3, there is a cat. Also tell whether it is a herbivore, carnivore, omnivor
Sindrei [870]

Answer:

1. Grass, producer

2. Mouse, herbivore

3. Cat, Carnivore

4. Mushrooms, decomposer

Explanation:

5 0
3 years ago
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Which statement best describes the cell membrane of a living cell?
QveST [7]
D, think of it like a house.
3 0
3 years ago
Which is a way in which exocytosis differs from the pumping of calcium ions against a concentration gradient?
mr Goodwill [35]
Exocytosis is ana ctive transport method and does not include any transport protein. whereas calcium ions pass through the membrane with the help of trans- membrane protein. These proteins make pores inside hydrophobic membrane and allow the ions to pass though it.
6 0
3 years ago
50 points!!! please define the philogenetic species concept and please explain it with an example, it's realy urgent
pickupchik [31]
Phylogenetic species concept (PSC) The concept of a species as an irreducible group whose members are descended from a common ancestor and who all possess a combination of certain defining, or derived, traits (see apomorphy). ... "phylogenetic species concept." A Dictionary of Biology. .

Or

The biological species concept has its limitations (although it works well for many organisms and has been very influential in the growth ofevolutionary theory). ... In thisexample, Ensatina salamander lineages A and B are separate species.Each has a common ancestor that individuals of other species do not.

I hope that this helps you out

4 0
3 years ago
Read 2 more answers
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