Animal science is simply the collective study of domestic animals. This includes every aspect from conception to death, behaviors to management, physiology to nutrition and reproduction to product distribution. Several terminologies in animal science and other related information are the most important tools in the studies. Volume 1 consisting of the following chapters: Geological time scale, Evolution, Invertebrate and Vertebrate, Economical Zoology, Entomology, Apiculture, Sericulture, Aquaculture, Marine Biology, Scientific Names, and Latin words.