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Art [367]
2 years ago
7

Which one of the following criteria is necessary for natural selection to occur?

Biology
1 answer:
horrorfan [7]2 years ago
3 0

Answer:

B

Explanation:

B: Differential survival and reproduction

change enviroment causes natural selection

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a leaf cell has a very low concentration of salt. What would happen to a leaf cell if it were placed in a highly concentrated sa
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Answer:

When a leaf is placed in a solution whose salt concentration is higher than the salt concentration of the leaves, the water with in the leaves shall move out of the leaves due to the osmotic pressure gradient. This will cause the plant cell devoid of water thereby leading them to shrink and wilt.

Explanation:

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4 years ago
What genetic information is stored in DNA
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The role of DNA is to storegenetic information. Thegenetic information is storedin the chemical structure of...DNA is short for deoxyribonucleic acid. DNA is found in the nucleus of the cell.
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4 years ago
Consider three molecules, named X, Y, and Z. When added to a beaker of water they undergo spontaneous reactions. When X is added
harina [27]

Both X and Z will increase in order.

Option D.

<h3><u>Explanation:</u></h3>

Here in the question we can see that all the three compounds X Y and Z are in equilibrium as they are put in a water beaker containing water. This phenomenon is Called chemical equilibrium when the substances that are isomers to each other actually forms in water and their relative concentration remains in a particular ratio according to their stability.

Here in the question, the solution contains X Y and Z in equilibrium. But if more Y is added in the solution, firstly the equilibrium constant for X and Y will get disrupted because X will get low in amount with respect to Y. So some Y will get converted to X. Similarly, when Z will also face the same problem and some Y will get converted to Z. Hence the amounts of both X and Y will increase along with Y.

7 0
3 years ago
In which kingdom would this organism be classified? (the picture below)
Alinara [238K]
Eubacteria is the only one that doesn’t classify
5 0
3 years ago
I'd appreciate it if you could help me
wel

Answer:

A...?

Explanation:

I'm sorry hun but i'm not entirely sure about my answer and i would completely understand if you don't trust me. My answer is mostly my opinion and i'm sorry i don't have any proof to back up my claim...

7 0
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