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Katyanochek1 [597]
2 years ago
6

I NEED HELP PLEASE!!!11-12

Biology
1 answer:
liberstina [14]2 years ago
8 0

Answer:

11. Centrioles, asters, and spindles are mitotic structures responsible for pulling apart the sister chromatids.

12.The centriole

Explanation:

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n a certain plant species, the allele for wrinkled seeds (W) is dominant to the allele for smooth seeds. What is the phenotype r
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3. The mechanism in which organisms best suited for their environment survive<br> and reproduce.
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The mechanism in which organisms best suited for their environment survive

and reproduce <u>NATURAL SELECTION.</u>

<u></u>

Explanation:

When individuals in a population compete for resources or live in their environment, the individuals with the slightest advantage over the others have an increased chance of reaching maturity and  reproducing to passing down their genes to the next generations.

Natural selection works on the variations of the population to ‘select’ the best alleles of genes in the population that offer an advantage in ‘survival for the fittest’. This how natural selection fits a population to its environment. The greater the variation within a population, the higher its capacity to adapt to changes in the environment.

Learn More:

For more on natural selection check out;

brainly.com/question/1184863

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