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notsponge [240]
3 years ago
9

Name and describe the process which involves the iris controlling the amount of light entering the eye when a person is exposed

to bright light​
Biology
1 answer:
yan [13]3 years ago
7 0

Answer:

The iris has an adjustable circular opening called the pupil, which can expand or contract to control the amount of light entering the eye, Fromer said. Ciliary muscles surround the lens.

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Three main levels of neural integration operate in the somatosensory system. Which level involves the spinal cord?
snow_lady [41]

Answer: Circuit level

Explanation:

The processing of the information in the spinal cord involves the circuit level. The processing of the circuit level involves the transmission of information in ascending order.

These pathway delivers the information to the regions of the cerebral cortex  in the form of impulses. In this way the information reaches the somatosensory organs of the body.

These impulses helps in localization and perception of the stimulus.

8 0
3 years ago
If animal cells contained chlorophyll, how would animal life be different?
Kipish [7]
Well there would no longer need plants to make air or take Carbon Dioxide, and the Carbon Dioxide would me our main meal
8 0
3 years ago
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Each of the species of finches on the galapagos islands has its own distinctive ________ and ________.
sergiy2304 [10]

Each of the species of finches on the Galapagos Islands has its own distinctive beak and ecological niche.

<h2>Reason :</h2>

Darwin observed that the finches evolved thanks to the difference in their habitat. Consistent environmental differences in several habitats on different islands in the Galapagos, the supply of different foods sources (seeds, cactus, insects, and fruit) promotes directional selection on resident finches for optimal beak morphology which maximizes survival under local conditions.

This process has produced more distinct species of finches, all unique to the archipelago. He noticed that every finch species is having a different type of beak, counting on the food available on its island.

To learn more about Darwin's theory:

brainly.com/question/524043

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4 0
2 years ago
Angular motion either increases or decreases the ____________ between two bones. These movements may occur at many of the ______
liq [111]

Answer:

extension- increasing the angle between two boned of the straightening of a limb.

Im sorry I only know the first one. :( Wish I could help 100%

6 0
3 years ago
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An organism's genomic dna is analyzed and found to contain 22% thymine. what percentage of that organism's dna is guanine?
abruzzese [7]
In an organism's genomic data, 100 percent is made up of adenine, cytosine, guanine and thymine. Adenine and thymine are complementary pairs in a DNA so they should have the same concentration in the DNA. This would also be the case for Cytosine and Guanine. We are given 22 percent of thymine so we also have 22% of adenine. This would leave us with only 100-22 = 78 percent for both guanine and cytosine. And since they are present in equal amounts, we simply divide the remaining percentage by two to determine the amount of each. Therefore, there would be 78 / 2 = 39 percent of guanine present in that certain DNA. 
8 0
4 years ago
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