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I would have to say that the percentage since you have to add and then divided would equall 45 percent
The biogeochemical cycles refer to the pathway through which chemical substances move through the abiotic and biotic sections of the earth. The chemical substances that are usually moved through these cycles include: carbon, water, nitrogen, phosphorus, sulfur, etc.
The purpose of biogeochemical cycles is to transfer the necessary nutrients from the environment into the living organism and then back into the environment again, thus, the cycle functions by recycling the chemical substances that are part of living organism.
<span>Insertion is a type of mutation which adds nucleotide to an already existing gene sequence. It can lead to genetic disorders due to the change of gene sequence. An example of this genetic disorder is the trisomy 21 or commonly known as Down syndrome. Instead of having 46 cells, those people having this disorder have 47 cells because there is an extra copy of there gene 21.</span>
According to the mutation accumulation theory, ageing organisms experience an increase in frailty and mortality due to the haphazard accumulation of mutations that harm them.
The traditional evolutionary explanation of ageing explains why mortality increases with age: as people age, their lifetime fertility declines, therefore their ability to continue to survive has a smaller impact on their ability to reproduce. But in addition to fertility, successful reproduction frequently entails intergenerational transfers.
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