The nucleus is what houses the cells genetic information. Hope this helps!
<span>(decreased variation in tail feather color because no form of the trait is advantageous) Due to the fact that the tail color is no longer a necessity, so it will eventually stop being needed and variation will decrease.</span>
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Answer:not put in the oxygen or put lemon juice on it
Explanation: when it hits the air the Browning action so you dont put in the air or you put lemon juice on it .