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Alexus [3.1K]
2 years ago
10

Why are goosebumps not very useful to modern humans?

Biology
2 answers:
OleMash [197]2 years ago
7 0

<u>Explanation:</u>

now a days we dont need gooosbumps or the scientifc name cutis anserine.

it was used by our ancestors when we got afraid or for the cold an example of this is if a predator is attacking us the hair on our skins would point straight and we'd look bigger and hopefully it would scare them away, we can still see this in animals... but in present day its completly useless

 

Sholpan [36]2 years ago
3 0
We don’t need it for survival anymore due to the modern era
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When a dead plant dies the matter that made up its body goes into the soil which of the following might next happen to the dead
dimaraw [331]

Answer:

D.All of the above

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4 0
3 years ago
- For plants and other organisms to develop differences among their respective species the alleles of their genes must contain
andre [41]

Explanation:

Mutations increase variation within a population.

During the process of cell division, spontaneous changes within the genome can arise. These mutations are errors occur when copies of the DNA within the cell are made; mutations may range from small changes called single nucleotide polymorphisms, to large scale deletions, and additions which span multiple genes. There are two types:

  • somatic: these only occur within certain cells, and arise from environmental factors such as UV light
  • hereditary: occur within germ cells of the parent and later the fertilized egg which forms a zygote; these are present within all cells of the new organism.

Further Explanation:

During reproduction other events, such as crossing over during mitosis and meiosis, mutations lead to increases in genetic variation. This variation refers to the genetic characteristics present within a species. Mutations may be either beneficial or deleterious; they are maintained within cells, as they form new traits called alleles. Beneficial mutations may confer traits that increase the fitness of a species, along with ensuring survival by conferring a protective advantage- these phenotypic differences between organisms are called adaptations.

Sequences of DNA make up genes which can have different forms called alleles. DNA, which makes up the genotype, is transcribed into mRNA and later translated into amino acids which are linked together by rRNA to form proteins which make up the phenotype of an organism.Mutations in DNA sequences affect the corresponding mRNA and thus the protein encoded.

Learn more about mutations at brainly.com/question/4602376

Learn more about DNA and RNA at brainly.com/question/2416343?source=aid8411316

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5 0
3 years ago
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Anni [7]
The answer is, <span>A.low pressure, high winds, high precipitation</span>
4 0
3 years ago
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Which action is a way to carry out smart growth? A. Keep neighborhoods walkable. B. Put open space between neighborhoods. C. Put
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Answer:

Option A.

The best way to carry out smart growth is by keeping neighborhoods walkable.

Explanation:

  • Smart growth is an unique concept that avoids sprawl by urban framing plan and transportation theory.
  • For the smart growth of the community there must be compulsorily availability of walkable spaces in a compact urban centers.
  • This tool of smart growth helps in developing the cities by preserving the available spaces for tomorrow, this process is also known as the sustainable development.
7 0
3 years ago
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If a pea plant that is herterozygous for rounds, yellow peas is crossed with a pea plant that is homozygous for round peas but h
Keith_Richards [23]

Answer: There re two different types of phenotypes in the offsprings that is Round yellow and Round green.

Explanation-

As per the Mendelian inheritance, Round shape and yellow color of pea are dominant over wrinkled shape and green color of pea.

According to the question, genotypes of parents are- RrYy ( heterzygous for round and yellow) and RRYy ( homozygous for round and heterozygous for yellow).

The first parent can produce four different gametes that is RY, Ry, rY, ry whereas the second parent will produce only two types of gametes that is RY and Ry.

When they are crossed, they will produce two different phenotypes in the offsprings.

Refer punnett square.


7 0
3 years ago
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