Organisms that reproduce sexually have greater genetic and thus characteristic variations, and so, are able to withstand more selection pressures if they so happen to change or become greater. This increases the chances of survival for that species itself.
Organisms that reproduce asexually are genetically identical to each other. They are unlikely to withstand any changes in selection pressures.
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Answer:
a. Centromere
A centromere is a specialised DNA sequence of a chromosome that links pair of sister chromarids (a dyad)
DescriptionThe term social order can be used in two senses: In the first sense, it refers to a particular system of social structures and institutions
Sorry, but I don't want to do your essay. I wish you luck tho :>
C is what i think is correct.