You can categorize every single living being. This classification system allows scientists to study plant and animal diversity and to group closely related species. From horses to insects to worms, ...

The discipline of classification and taxonomy involves the grouping of organisms into categories based on different properties including size, shape and gene sequences. Classification can help to ...

Are species constructs of the human mind? -- Why is there a species problem? -- Is the biological species a class or is it an individual? -- What are traits in taxonomy? -- Diversity within the ...