Standards have been empirically developed to describe various morphological characters of eurypterids. The standards pertain to the following characters: 1) shape of the prosoma; 2) shape of the ...

This is a preview. Log in through your library . Abstract Biological classification aims at establishing ordering systems for organisms. Principles of classification, however, differ in their criteria ...

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 ...

Milestone recognition establishes diabetology as a distinct physician specialty dedicated to comprehensive diabetes care The American College of Diabetology (ACD) announced that Diabetology has ...