Species by Jana L | Mar 3, 2022 | Glossary of Terms, Glossary of Terms -S, Uncategorized | 0 comments A category of biological classification; a class of individuals having common attributes and designated by a common name. “Species” is always properly used with the “s” when referring to trees or other biological classifications. Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.