Answer :
Ans. (C). Aythya affinis and Aythya marila
The scientific name of an organism consists two words, out of which the first word represents genus and the second word represents species of that organism.
According to the classification, there are seven levels of classification from least to most closely related, which include kingdom, phylum, class, order, family, genus, and species.
Organisms Aythya affinis and Aythya marila belong to a common genus (Aythya), and thus, they are most closely related to each other as compared to other given groups.
Thus, the correct answer is option (C).
Aythya affinis and Aythya marila are most closely related (Option C).
Genus and species
Species refer to a group of organisms that potentially can mate to produce fertile offspring.
- A Genus is a group of closely related species that suffered speciation.
- Species is therefore a more inclusive classification compared to Genus.
In conclusion, Aythya affinis and Aythya marila are most closely related (Option C).
Learn more about Genus here:
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