Answer: No
Explanation: It is beneficial if the animals that are disadvantageous doesn't reproduce so it doesn't discredit natural selection. The traits in which variation is occured are more suitable for organism to live and reproduce in the environment are preserved and are passed from generation to generation.
However, natural selection effects limited number of progeny.
<span>the correct answer is a.)317 ppm</span><span>
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ODINAIRY TABLE SALT, Na Cl.
Most cells have a membrane, though some don't.
