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alexandr1967 [171]
2 years ago
5

One result of ________ over evolutionary time spans is that the alleles that enable individuals to survive and reproduce at a hi

gher rate than other individuals become more common in the population
Biology
1 answer:
Alecsey [184]2 years ago
5 0
Natural Selection is the process for which evolution occurs , survival of the fittest allows only for the better, stronger alleled individuals to reproduce.
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A fly has two alleles for the color of its eyes. The green allele is recessive, and is represented by q. The blue allele is domi
murzikaleks [220]

Answer:

p = 0.34

Explanation:

The green allele is recessive, meaning two copies of q (qq) are required to be green. Conversely, animals that are either pp or pq will be blue.

If 44 organisms are green, that means 44 are qq.

For genotype frequencies, the equation is:

homozygous dominant genotype + heterozygous + homozygous recessive = 100%

Which is denoted as

p² + 2pq + q² = 1

We know that q² = 44/100 = 0.44

To work out q, we can do \sqrt{0.44} = 0.66

For allele frequencies, the total must add up to 100%, so

p + q =1

We know that q= 0.66

So p = 0.34, because 0.66 + 0.34 = 1

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Answer: The correct option is A

Archae bacteria are extremophiles which thrive in extremely environment.

Explanation:

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Archea are hyper thermophilic microorganisms.

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The amount of total energy at each trophic level decreases as it moves through, so 90% is lost at each level. This means that only 10 percent of the energy at any trophic level is transferred to the next level; and the rest is lost as heat.  

In this case, if a plant ecosystem has 3000000 kilocalories (kcal) of energy, about 300000 kcal will be transferred to primary consumers (for example grass hoppers). If the red-tailed hawks are tertiary consumers, they will get 3000 kcal of energy.


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I think A is the correct answer
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