Answer :
i think the answer should be : all of these
Taxonomy is a branch of science that focus on classifying organisms.
These organisms included all of human, plants, and animals since all of them had different traits that could be used as a basis of classification
Correct answer choice is:
D. All of these.
Explanation:
Taxonomy is a branch of the science of describing and identifying groups of biological bodies on the principle of distributed features. Organisms are classified collectively into taxa and certain groups are assigned a taxonomic rank; collections of an addressed rank can be aggregated to make a super-group of higher rank, thus forming a taxonomic regime.