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notsponge [240]
3 years ago
11

What tends to happen to the populations in the developing countries over time as the countries become more developed? *

Biology
1 answer:
ollegr [7]3 years ago
3 0

Answer:

2

Explanation:

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What were the two driving forces that drove the evolution in the variation of skin color
yarga [219]

Answer:

The correct answer is: geography and UV radiation.

Explanation:

Skin variation occurred thanks to evolution, and was driven as a consequence of the geographical location of different populations of humans.

The humans that lived in hot and sunny places, closer to the equator, where much more exposed to the sun's ultraviolet radiation. In order to survive the amount of UV lights that they were exposed to, new humans in those regions were being born with a darker skin tone, which was rich in melanin (a brown pigment that protects us from the sun radiation).

Contrary to these humans that lived in the tropical areas, the humans that populated the areas that were closer to the poles, developed much lighter skin as a result of lower amounts of melanin in their skin. Since sun exposure in the poles is very limited, humans needed to receive as much as they could for the production of Vitamin D, and thus, their skins got lighter and less protected.

8 0
3 years ago
Biology homework assignment question please help!!! Will give BRAINLIEST if right.
ikadub [295]
A,C,D Is the answer to the question
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3 years ago
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As a medical assistant, what do you say to a patient to dispel fears or concerns over receiving an x-ray?
GuDViN [60]
You may want  to let them know about there X-ray but after you should assure them that there is a solution and you'll both get to it
8 0
3 years ago
WILL GIVE BRAINLIEST!!
melamori03 [73]
The organism which uses asexual reproduction would undergo mitosis and the cell would be divided into two daughter cells. the daughter cells have the same genetic material and are identical.
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4. Discuss the sense organs of cnidarians
HACTEHA [7]

Answer:

To tell the truth I don't know what none of this stuff so I searched it up.

Explanation:

Cnidarian sense organs are thought to be exclusive to the medusa, a point we dispute subsequently. Nevertheless, the sense organs of the medusa are highly developed and distributed across Scyphozoa, Hydrozoa, and Cubazoa. In those hydrozoans with a medusa stage, many have eyes associated with the tentacle base.

Hope that is what you are looking for.

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