Random changes in allele frequency in a population are usually called genetic drift. The reason why this is the answer is because it is a very specific word which is used to describe exactly that - random changes in allele frequency.
All the other cases; answers, here aren't correct and don't apply.
Answer:
<em><u>I</u></em><em><u> </u></em><em><u>HOPE</u></em><em><u> </u></em><em><u>I</u></em><em><u> </u></em><em><u>HELP</u></em><em><u> </u></em><em><u>YOU</u></em><em><u> </u></em><em><u>A</u></em><em><u> </u></em><em><u>LOT</u></em><em><u> </u></em><em><u> </u></em><em><u>.</u></em><em><u> </u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>
Biology answers many questions<span>, </span>but its main focus is<span> how living organisms interact and function.
hope it helped give thanks :)
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Creo que es el estómago y los intestinos. ¡Espero eso ayude! :)