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Feliz [49]
3 years ago
14

In the summer, the arctic fox appears brown

Biology
1 answer:
Nadya [2.5K]3 years ago
4 0
The color change is most likely due to the effect of "<span>(3) environmental conditions on gene expression" All these changes have to do with what will keep the fox alive for the longest amount of time. </span>
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Tides behave as BLANK waves
White raven [17]

Answer:

Due to the gravitational force of the sun and the moon the tides behave as blank waves.

Explanation:

Tides waves are usually the up and down movement of waves. Tides wave formed by the gravitational force of the Earth,moon and sun.the sun and moon’s gravitational force pulls up the ocean to  tilts towards the earth because of this reason t the tides rise up and down. Moreover the waves in water sticks to its governing principle that 's why it makes sound

4 0
4 years ago
5) Compare and contrast creationist views of life origination on Earth,
r-ruslan [8.4K]

Answer

no i don't know

Explanation:

i am so dum  sorry if I can't help you

5 0
2 years ago
What do we call the variable manipulated or tested by the investigator?
Agata [3.3K]

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1. The independent valiable is the answer

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7 0
3 years ago
Explain "Survival of the Fittest" and how it<br> relates to natural selection.
Inessa05 [86]

Answer: Natural selection is selection due to environmental conditions from random genetic mutations in a population. Among the variants in a population,  some will be slightly better adapted to conditions and will eventually out-compete the rest of the population. Survival of the fittest actually means survival of the best adapted, or fittest for purpose, i.e. to survive and thrive.

Explanation: This phrase has caused much miunderstanding of the evolutionary process. ‘Fittest’ has been equated with biggest, or strongest or fastest, but this was a description originating in the nineteenth century, when it was understood quite differently.

Natural selection arises from genetic variation in a population. Jaques Monod, an esteemed scientist, described evolution as where chance and opportunity meet. Chance lies in the genome of a species, random mutations, and the resulting genetic variation in the population.

Opportunity lies in the environment. Environmental change creates opportunities for some, extinction for others. Opportunities can also be from exploiting new environmental niches.

Natural selection is the process by which some random genetic variation gives some of a population a competitive advantage. competition eventually results in one population out-competing all others in its niche. The end-result of competition in nature is monopoly.

But this process continues and further random mutations can result in another population becoming better adapted. That is the actual meaning of survival of the fittest: in modern terms we might say ‘fittest for purpose’, that is, the species orvpopulation best adapted to survive and thrive in that environment.

7 0
3 years ago
In the absence of oxygen, the pyruvic acid produced during
erma4kov [3.2K]

Answer:

B. Ethanol

Explanation:

During absence of O2 pyruvic acid is reduced to ethanol in alcoholic fermentation.

7 0
3 years ago
Read 2 more answers
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