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mamaluj [8]
3 years ago
12

BRAINLIESTTT ASAP!!!!

Biology
1 answer:
Dima020 [189]3 years ago
5 0
I think I will be able to
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Explanation:

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Which is a controlled variable in this experiment?
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The picture shows an organ system in the human body. What do these organs do in the human body?
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The organs represented in the image are the Brain, nerve, and spinal cords that monitor and react to changes in the body and its environment.

<h3>What are Organs?</h3>

Organs may be defined as an assemblage of tissues that structurally construct an operational unit specialized to accomplish a distinct operation and functions in the body of a living organism.

The nerves function in sending and receiving signals to the brain from external stimuli. They give the perception of feeling pain, relaxation, stress, etc to the brain according to the situations.

The complete question is as follows:

The picture shows an organ system in the human body.

Brain, Nerve, and spinal cord.

What do these organs do in the human body?

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  • They identify and destroy things that are foreign or harmful to the body.

Therefore, the correct option for this question is B, i.e. They monitor and react to changes in the body and its environment.

To learn more about Organs, refer to the link:

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1 year ago
On the Galápagos Islands, the finches that Darwin studied tended to have either small beaks or large beaks. The smaller beaks ar
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The correct answer is option C. "disruptive selection".

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Disruptive selection is a type of natural selection at which extreme values for a trait are favored, while intermediate traits are more likely to disappear. In this example the finches tended to have either small beaks or large beaks because small beaks are best at eating soft seeds and large beaks are best at cracking seeds. This is an example of disruptive selection because the two extreme values for the size of beaks are favored.

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2 years ago
T object]user: how do the ovaries help the female's body prepare for a possible pregnancy?
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<span>c. they secrete hormones that help control the ovarian cycle. 
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