B Nature selection for traits the allow for increased rates of reproduction and survival over traits that don't, is correct.
A is also correct
A person who has a recessive trait must have two<span> recessive alleles because - A dominant allele does not let a recessive trait show up, in other words it simply dominates and… over shadows the recessive trait.</span>
30x Magnification I think hope that helped
The most likely reason is because of the decrease of population of prey in the south