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Agata [3.3K]
4 years ago
15

A scientist usually runs a(n) |

Biology
1 answer:
USPshnik [31]4 years ago
4 0

Answer: Experiment.

Explanation:

Suppose that we have two related variables, A (independent) and B (dependent)

We could design an experiment where we can manipulate the value of A at will, and we also can observe how the variable B changes.

This is called an experiment, where the objective is to see how the variable B is related to the variable A, and then try to make a model that explains this relationship.

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If there is a mutation in a zygote, where is it likely to be found in the fetus?
lisabon 2012 [21]
The correct answer is C.
The zygote is a single fertilized egg cell that the embryo develops from.
This one cell possesses one copy of DNA that is going to be passed to all other cells in the embryo because all other cells of the embryo develop through mitotic divisions of the zygote.
Therefore, if a mutation happens in the zygote DNA, all of the cells in the embryo are going to have it as well.
7 0
3 years ago
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Balance the following ecosystem.<br> 100 50 10<br> bushes zebras lions
AVprozaik [17]

Answer:

Im pretty sure the correct answer would be the way it is listed.

100 Bushes, 50 Zebras, and 10 Lions.

Explanation:

Only 10 lions because they are at the top of the food chain, and 100 bushes because they are at the bottom.  

I hope this helps :)

4 0
3 years ago
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Lina20 [59]

Answer:

In my opinion, people smoke because they're "crazy" and need some "help."

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8 0
3 years ago
Tissue found in leaf stalks below the epidermis is________.
NISA [10]
<h2 /><h2><em><u>Collenchyma</u></em><em><u>.</u></em></h2>

<em><u>Explaination</u></em>

<em><u>Collenchyma is the tissue found below the epidermis of a leaf stalk. These are simple permanent tissue, perform photosynthesis when chloroplast is present</u></em><em><u>.</u></em>

5 0
4 years ago
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Explain the process in which hormones secreted by the pancreas function with respect to increased glucose levels in the blood
KiRa [710]

Answer:

Gastrin: This hormone aids digestion by stimulating certain cells in the stomach to produce acid. Glucagon: Glucagon helps insulin maintain normal blood glucose by working in the opposite way of insulin. It stimulates your cells to release glucose, and this raises your blood glucose levels.

Explanation:

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