1st options - 0.005 mm/year 0.05 mm/year
5 mm/year
50 mm/year

2nd options - 500,000m east
50,000m west
5,000m east
500m west

3rd options - volcanic islands
Volcanic mountains
New ocean floor
Mountains

not the best question format lol but what i think might as scale color is controlled by a single gene with two alleles, the green allele and the yellow allele. when moths that are homozygous for green scales are mated with moths that are homozygous for yellow scales, 100% of the offspring have green scales.