Internal. The ultimate sources of variation, the source of new heritable characteristics in populations and species, are due to mutation and recombination in chromosomes, genes, DNA.
Zone AE is the flood insurance rate zone that corresponds with flood depths greater than 3 feet. Mandatory flood insurance purchase requirements apply. Zone AH is the flood insurance rate zone that corresponds to areas of shallow flooding with average depths between 1 and 3 feet.
Indicates the Advisory flood hazard zone associated with the location: 1  Advisory Zone V is the area subject to high velocity wave action (a 3-foot breaking wave) from the 1% annual chance coastal flood. 2  Advisory Zone A is the area subject to storm surge flooding from the 1% annual chance coastal flood.