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arlik [135]
2 years ago
10

The HPA axis of the endocrine system works together with the sympathetic nervous system to increase an individual's heart rate,

blood flow, and blood sugar levels during times of stress. This stress response is also referred to as the
Biology
1 answer:
katrin [286]2 years ago
5 0

Answer:

Adrenaline rush aka fight or flight response

Explanation:

Epinephrine adrenaline and norepinephrine a release to focus attention on the task at hand heart rate and blood pressure increase delivering oxygen to the muscles for flight. The eyes take in more light to increase visual acuity and more sugar is released into the bloodstream to increase energy. Functions like digestion, reproductive, and urinary system are slowed

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Difference between vegetative reproduction and seed reproduction
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Vegetative reproduction is a type of asexual reproduction in which an individual is reproduced from vegetative parts such as leaf, stem etc. while seed contain inactive embryo which is formed from zygote.
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3 years ago
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What would happen to seasonal temperatures if the tilt of the earth was less?
mash [69]
If the tilt was less, It would probaly mean that the suns heat would sink lower then the equator, assuming the earth levels out more upright.

Google it to be sure, Hope i helped
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Adenosine triphosphate (ATP) molecules are used for the synthesis of a large number of biomolecules. Which two actions happen wh
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The correct answers are:
A-Chemical energy is released.
D-Thermal energy is released.    
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3 years ago
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Which planet is the moon thought to have come from originally?
Lisa [10]

The Moon is thought to have come from the Earth. In 1975, the giant impact hypothesis was put forward. This suggests that the Earth was hit by a planet about the size of Mars around the time of the formation of the solar system approximately 4.5 billion years ago, and the impact caused part of the outer layer of the Earth to spin off and form what is now the Moon.

3 0
3 years ago
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
2 years ago
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