Vertebrate animals

The main concern of this book is to explore the following: Classification of Phylum Chordata- General characters of Hemichordata (Blanoglossia)- General characters of Urochordata (Asidia; the digestive, circulatory, genital, and nervous systems and its development)- General characters of Cephalochordata (Amphioxus, the digestive, skeleton, circulatory, excretory, nervous, and genital systems)- General characters of Vertebrata- General characters of Agnathostomata (Cyclostomata; Petromyzon)-General characters of Agnathostomata (Ostracoderm)- General characters of Gnathostomata- General characters of Chondrichthyes (Dogfish)- General characters of Osteichthyes (Tilapia)- General characters of Amphibia (Frog)- General characters of Reptilia (Lizard)- General characters of Aves (Pigeon; types of feathers, the digestive system, and  urogenital systems)- General characters of Mammals (Rabbit; the digestive, respiratory, urinary and reproductive systems)- Causes of diversity in Vertebrates.