books.google.co.in - The Insects takes a detailed look at how insects function as animals. This textbook brings together basic anatomy and physiology and relates them to behavior. Coverage emphasizes the roles of different functional systems in the context of the whole organism using studies of many different species as...http://books.google.co.in/books/about/The_Insects.html?id=jHUCdbgW4MAC&q=layer&utm_source=gb-gplus-shareThe Insects
