due to allele sharing and the interaction between dominant and recessive phenotype . the melanin description gene is dependent on the pairing between the mating organisms. similar to fur colour in other mammals
The five major types of estuaries classified by their geology are coastal plain, bar-built, deltas, tectonic and fjords. In geologic time, which is often measured on scales of hundreds of thousands to millions of years, estuaries are often fleeting features of the landscape.
