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Leya [2.2K]
3 years ago
12

Why do we itch? Is it an evolution thing?

Biology
2 answers:
Brut [27]3 years ago
4 0

Answer:

we itch reacting to stimuli like when ee get poked we react and so on. And it not an evolution

sesenic [268]3 years ago
4 0
An itch, also known as pruritus, is a general sensation arising from the irritation of skin cells or nerve cells associated with the skin. While it can be a nuisance, pruritus serves as an important sensory and self-protective mechanism, as do other skin sensations such as touch, pain, vibration, cold and heat.
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Which option would help maintain homeostasis during exercise?
ICE Princess25 [194]

Answer:

I believe the answer is B

3 0
3 years ago
Read 2 more answers
As carbon dioxide concentration soar over 400 ppm, what do you expect to see as far as how the earth is responding?
ruslelena [56]

Answer:

The correct answer would be - increase in green house effect, increase in temperature and rise in sea level are some major response.

Explanation:

Carbon dioxide concentration soar over 400 ppm which means there are 400 particles of carbon dioxide in a million particles of air. It is on the highest level of all time from the beginning. Carbon dioxide is a green house gas which means it is able to absorb heat and trap it in air which leads to increase in temperature of the earth.

Increase in earth temperature will lead to melting of ice lands which result in rise of sea level and cities will drown in sea. Other effect will be pollution in atmosphere and warmer climate and change in pattern of climate. There are many other direct and indirect response in accumulation of carbon dioxide concentration.

4 0
3 years ago
How can two organisms have the same phenotype but different genotypes?
balu736 [363]

Two organisms have the same phenotype but different genotypes when One organism is purebred dominant, and the other organism is heterozygous. So, the correct option is B.

<h3>What do you mean by Genotype?</h3>

Genotype may be defined as the ultimate combination of those alleles which are selected for specific studies.

When an allele is dominant over others, its purebred dominant and heterozygous (hybrid) may have different genotypes but the same phenotype.

Therefore, the correct option for this question is B.

To learn more about Genotypes and phenotypes, refer to the link:

brainly.com/question/22117

#SPJ1

7 0
2 years ago
Section of DNA that provibes instuctions for specific traits
Zina [86]

Answer:

Genes.

Explanation:

Genes are small sections of DNA within the genome that code for proteins. They contain the instructions for our individual characteristics – like eye and hair color. A gene is a small section of DNA that contains the instructions for a specific molecule, usually a protein

6 0
4 years ago
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What is a hypothesis?
Lera25 [3.4K]
The answer is A and i just need a brainliest please?
7 0
3 years ago
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