Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005 aid (ād) 1.Help; assistance. 2.A device that helps in the performance of an action. [M.E.aiden,fr. O.Fr.aider,fr. L.adjutare,to help] ...
the Zooarchaeological EvidenceAntioxidants in Animal Production, Reproduction, Health and WelfareApplication of Geometric Morphometrics to Understand Vertebrate and Invertebrate Morphological DiversityBacterial Aquaculture PathologyBacterial Diseases in Livestock and PoultryBee Biology, Pathology and ManagementBiodiversity...