الفهرس | Only 14 pages are availabe for public view |
Abstract Amphibia offer themselves as an excellent tool for the study of such basic processes as differentiation , growth and devlopment in the form of material which can easily be studied from egg to the adult. the wide swings in the levels of metabolites experienced by amphibia in response to environment or their factors afford the opportunity of studying the interaction of the environment with biochemical entities. |