Contents: 1. Introduction to Animal Kingdom and Classification. 2. Phylum Protozoa. 3. Phylum Porifera. 4. Phylum Coelenterata. 5. Phylum Platyhelminthe. 6. Phylum Nemathelminthes. 7. Phylum Annelida. 8. Phylum Arthropoda. 9. Phylum Mollusca. 10. Phylum Echinodermata. 11. Phylum Hemichordata. 12. Phylum Chordata. 13. Terminology.