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forsale [732]
3 years ago
12

PLS HELP LIKE ASAP

Biology
2 answers:
Tomtit [17]3 years ago
4 0

Answer:

a

Explanation:

viva [34]3 years ago
3 0

Answer:a,c,b,d

Explanation:

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if a zebra migrates to join a different herd of zebras is that mutation gene flow genetic drift or natural selection?
jenyasd209 [6]

Answer:

The correct answer would be gene flow.

Explanation:

Gene flow  is explained as the transfer of genes from one population to another so there is an increase in their frequency of genes.

It is also called migration. The addition or loss of people can affect the frequencies of the gene pool even if no other evolutionary mechanisms working at the time.

Thus, the correct answer would be gene flow.

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3 years ago
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Where in the body would you find low oxygen levels causing vasoconstriction and high levels causing vasodilation?
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The correct answer is the lungs. Usually, in the systemic organs such as the liver, kidneys, and the heart; hypoxia or low oxygen levels cause the blood vessels supplying them to vasodilate to increase flow of blood and prevent ischemia. Adequate oxygenation of systemic organs cause the blood supply to vasoconstrict to prevent pooling of oxygenated blood and shunt it to other organs that need the oxygen more.

However, in the lungs, the opposite is true because in the setting of hypoxia, the blood vessels of the lungs vasoconstrict as to shunt the blood to other parts of the lungs with adequate oxygenation for the blood to be adequately oxygenated. If there is adequate oxygen in the lungs, then blood vessels vasodilate to efficiently get the oxygen from the lungs. 
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3 years ago
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What is the difference between predator and prey?
Alenkinab [10]

Answer: The predator is an organism that lives by feeding on other organisms, while prey is usually the organism that is hunted or killed for food.

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What part of the brain is likely to not be working correctly if a person is blind, but has eyes that are not damaged in anyway?
ella [17]
The occipital lobe would not be working. 
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Which of the following expressions gives the heat of vaporization of the liquid
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(5000*85)/.06 J Celsius/kg
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