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frez [133]
3 years ago
8

How does natural selection lead to evolution?

Biology
2 answers:
Romashka-Z-Leto [24]3 years ago
3 0
I believe that the answer is B.
OLEGan [10]3 years ago
3 0

Answer:

The answer is B. Many small changes can create a whole new species.

Explanation:

Natural selection is a strong source of speciation in living beings.

After several generations, it is possible to observe distinctive features at the level of a population. A clear example of this can be observed in humans, where some physical traits are characteristic of different regions.

<u>If sufficient time passes</u>, it is possible that the differences of one population are sufficient to differentiate from another similar population, creating reproductive isolation and giving rise to a new species.

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vaieri [72.5K]
Here is the correct flow chart: GENE > DNA > CHROMOSOMES > NUCLEUS.
The cell nucleus contain chromosomes which are made from long DNA molecules. A gene is a short section of a DNA which codes for a specific protein.
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The majority of people in United States work in the___industry A agriculture B fishing C mining D service
nignag [31]

Answer:

D. service

Explanation:

Most people in the US work in jobs that require providing a service to others, whether it's at a restaurant, a department store, a school, etc. Yet, those who work in specialised jobs like agriculture, fishing, and mining are more rare because they need to live in a certain area that is optimal for such positions.

Thus, the answer is D.

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3 years ago
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Elena-2011 [213]
0.773m should be the answer

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Explain briefly how these features contribute to the efficiency of photosynthesis?​
barxatty [35]

Answer:

here's your answer

Explanation:

the estimated maximum energy efficiency of photosynthesis is the energy stored per mole of oxygen evolved, 117/450, or 26 percent.

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The main reason for this linkage is due to the connection of the hypothalamus (nervous system) and the hypophysis (a gland in the endocrine system)
The hypophysis is the ''controller'' of all of the other endocrine glands.
The connection between the hypothalamus and the hypophysis enables the nervous system to control the hormone levels of all of the major endocrine glands in the body.
The hypothalamus releases hormones into the bloodstream that leads to the hypophysis. These hormones induce a release of hypophysis hormones that enter the bloodstream and when they reach the target gland (for example pancreas) these hormones induce the release of the hormones of that gland (in the case of the pancreas, insulin).
The hypothalamus monitors the concentration of hormones in the blood, and a high level of a certain hormone blocks the release of the hypothalamus' hormones. Therefore, a high level of insulin blocks a cascade of hormone release that starts in the hypothalamus that leads to its release in the pancreas.

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