Cellulose, chitin, and peptidoglycan are all considered as
carbohydrates. Now in the molecular level of these carbohydrates, structural polysaccharides exist as sets of long, parallel
strands that are linked to one another. Due to this arrangement, pulling
and pushing forces are being withstand.
Answer: In eukaryotic species—that is, those whose cells possess a clearly defined nucleus—two important processes occur during speciation: the splitting up of one gene pool into two or more separated gene pools (genetic separation) and the diversification of an array of observable physical characteristics (phenotypic ...
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