Taxonomy s the branch of science that deals with the classification of living and extinct organisms.
Using taxonomy, plants and animals are classified according to the following: Domain, Kingdom, Phylum, Class, Order, Family, Genus and Species. Taxonomy is also used to identify the species that are related to each other.
Organisms are named using the binomial system of nomenclature that was developed by Linnaeus. The binomial system, also known as the scientific name, is consist of two parts: the Genus name and the Specific Epithet.
For this problem set, the Mergus serrator and the Mergus merganser is closely related to each other, since they both have the same Genus.
Answer:
The need for resources will make the organisms competitive in their ecosystems.
Speed and time is your answer to the question