Unfortunately this question is incomplete. Given the information provided, we can expect the hardening ground to seriously disadvantage the animals with thin, small claws. We can expect natural selection to cause a shift in the proportions of the alleles in the population, whith most individuals having the two QQ alleles and a minority with the <span>heterozygous genotype (Qq), provided the individuals with medium-sized claws can survive. Since the q allele would still exist within the population, the individuals with the qq genotype would still occasionally occur in the population. </span>
Answer:
A(-Warm air rises, creating an area of low pressure.)
Explanation: