This course will discuss numerous aspects of Invertebrate Zoology, namely on classification and phylogeny, species evolution, invertebrate’s diversity, adaptation, function, system, physiology, and life cycle in various environments. Several phyla will be discussed, including Protozoa, Porifera, Cnidaria, Nematoda, Platyhelminthes, Mollusca, Echinodermata, and Annelida.