I believe that the areas are tropical and polar zones.
These organisms that consisted only of unicellular were called prokaryotes.
<span> B. nonsex. Autosomes are any chromosomes that are not involved in sex determination, so most chromosomes in an organism are autosomes. </span>Humans can inherit 22 autosome from their mother and another 22 from their father, creating a total of 44 autosomes .
<h2>B) option is correct </h2>
Explanation:
Natural selection is a selection pressure which operates in a population and allow the best fitted genotype to survive in changing environmental conditions and eliminate the other genotype which are not fit
In artificial selection, breeders select superior breed for the breeding purpose so that this type of selection favors the superior genotype and eliminates inferior genotype, thus leading to genetic drift
Stabilizing selection is a type of natural selection in which intermediate genotype is favored but extreme genotypes (inferior and superior) are eliminated
In the given example of pigmentation in pigeons, breeding is selectively done with intermediate pigmentation hence intermediate genotypes will be favored
A virus structure can be on of the following: icosahedral, enveloped, complex and helical. These viruses can appear to in a shape but a closer, more steady look reveals that they are actually icosahedral.
