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Leya [2.2K]
2 years ago
5

Will mark brainlist if the answer is correct

Biology
1 answer:
Marat540 [252]2 years ago
8 0
Condensation ....................,...
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A sleepy driver rounds a bend and sees a deer standing in the road. The driver snaps to attention and applies the brakes, averti
Serhud [2]

Answer:

A sleepy driver rounds a bend and sees a deer standing in the road. The driver snaps to attention and applies the brakes, averting the accident, because his brain was aroused by the <u> Reticular Activating system(RAS).</u>

<u>Explanation:</u>

  • Reticular activating system (RAS) is a part of brain that filters the sensory signal that tries to reach our brain.
  • However the olfactory Signal do not pass through it .
  • Reticular activating system is located at the brain stem little above the spinal column.
  • This is an extremely important part of the brain because it sorts various sensory signals into important and non-important ones.
  • RAS allows only those information into the brain that needs immediate attention of the conscious mind.
  • Hence it is responsible for sudden wakefulness.
  • Our sensory organs perceive thousands of information each second and direct them towards the brain.
  • If RAS was not there then our brain would have reached a state of confusion every minute and might have failed to give proper response to any of the stimulus.
  • In the given situation, the sudden sight of the deer acted as a threatening stimulus.
  • This information needed immediate attention of the driver's conscious mind and his brain was thus aroused by the RAS.
3 0
3 years ago
6) the first plants and animals to inhabit a newly available ecosystem are the
pickupchik [31]
Species that arrive first in the newly created environment or available ecosystem are called PIONEER SPECIES
8 0
2 years ago
Study the cladogram. Which two organisms have dry skin? gorilla and shark shark and lizard lizard and tiger tiger and lamprey.
Rasek [7]

Answer:

It's C.

Explanation:

I chose B but I got it wrong. Since lizards obviously have dry skin, the other option with lizards is C. And you can also see in the cladogram that above "dry skin" is lizards and tigers.

So it's C.

6 0
2 years ago
What are the differences between a light microscope and a scanning electron microscope?
mr Goodwill [35]

Answer:

There is a great difference between light and scanning electron microscope. The source of illumination is light rays in light microscope while in scanning electron microscope electrons are the source of illumination.

The resolving and magnification power of scanning electron microscope is much greater than that of a light microscope. The magnifying power of a light microscope is 1000X and of electron microscope is 10,00,000X.

In light microscope image is seen through the eyepiece while in scanning electron microscope it is seen on a fluorescent screen. Even small specimens up to 0.1 micrometers can be seen by scanning electron microscope which is not possible to see by light microscope.

8 0
2 years ago
The information you collect in an experiment in order to answer a question is called
alexandr1967 [171]
I believe hypothesis .



Please vote my answer brainliest. thanks!
8 0
3 years ago
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