Explanation:
sensory so hard but I will try
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.
A scientific law would be your answer.
There are many laws that are defined using formulas.
I hope this helps!
~cupcake