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Brilliant_brown [7]
3 years ago
12

How can I describe the yearly temperatures of the Tundra biome?

Biology
2 answers:
cricket20 [7]3 years ago
8 0

Answer: Very cold all year or very hot

Explanation:

I learned it last year i think

garri49 [273]3 years ago
7 0

Answer:

The arctic tundra has average winter temperatures of -34° C (-30° F) and average summer temperatures of 3° to 12° C (37°to 54° F).

Explanation:

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Knowing that some individuals from Island 1 colonized Island 2, biologists sample the Mainland and two Island populations fifty
raketka [301]

Answer:

The evolutionary mechanism that could be influencing the allele frequencies between both islands and the mainland population might be Founder Effect.

Explanation:

Genetic drift is the random change that occurs in the allelic frequency of a population through generations. The magnitude of this change is inversely related to the size of the original population. These changes produced by genetic drift accumulate in time and eventually, some alleles get lost, while some others might set. Genetic drift affects a population and reduces its size dramatically due to a disaster -bottleneck effect- or because of a population split -founder effect-. In <u>founder effect</u>, a new population originates when a few individuals who are coming from a bigger population carrying its genes, settle down in a new area and reproduce. This small population might or might not be genetically representative of the original one. Some rare alleles might be exceeded or might be completely lost. Consequently, when the small population increases in size, it will have a genetically different composition from the original one. In these situations, <u>genetic variability is reduced</u> and there exists the possibility of developing a peculiar allelic composition. If the number of individuals that originated the new population is low, the founder effect will be very extreme, because the effects of the genetic drift are inversely proportional to the original number of individuals.  

<em>In the exposed situation, the evolutionary mechanism that could be influencing the allele frequencies between both islands and the mainland population might be Founder Effect. The fact that both islands are similar in their frequencies might be due to little genetic variation on island 1, or because dispersion to island 2 is a recent event on time. </em>

5 0
3 years ago
What is malaria?biology
Vitek1552 [10]

Answer:

Malaria can be described as a disease which is caused by a parasitic organism. The Anopheles mosquito carries the parasite Plasmodium in it. When this mosquito bites a human being, the parasite gets transferred into the blood of the person causing malaria. Before entering the blood cells, the plasmodium travel to the liver where they get matured.

Malaria is a life-threatening disease which kills many humans each year, especially people living in underdeveloped countries.

8 0
3 years ago
An elements atomic number is 62. how many protons would an atom of this element have
coldgirl [10]
The atomic number is<span> </span>equal<span> to the number of protons. The atom has 62 protons.</span>
3 0
3 years ago
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PLEASE HELP WILL MARK BRAINLEST!!!
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I’m pretty sure it’s C if not A
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