Alleles are the individual genes that give rise to certain characteristics in an organism.
When an allele is "fixed" to a population, this means that the characteristic will be constant & most likely will not change until the environment changes as well.
Like with arctic hare, the alleles that influence the color of their coats (white in the winter & brown in the spring/summer) will stay because any fur pattern other than the aforementioned characteristics with result in becoming someone else's food with the lack of camouflage.
Hope that helps!
Cosmology by definition is the branch of astronomy involving the origin and evolution of the universe. It is the study of how the universe is formed from the big bang theory to other theories pushed by scientists. It also studies about the parts and components of the universe.
Hello there. I am happy to help you.
<span>The answer to this is because there are many different kinds of problems that science can address, and the "scientific method" that's taught in every high school science class isn't appropriate for every type of investigation. Scientists custom-build the procedure they will use depending on the unique challenges of the problem they are trying to solve.
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