~upd~: Rl Kotpal Invertebrate Zoology Pdf

Invertebrate zoology is a branch of zoology that deals with the study of invertebrate animals, which are animals that do not have a backbone or spinal column. This group includes a vast array of animals, such as insects, crustaceans, mollusks, and many others. Invertebrates make up the majority of animal species on Earth and play a crucial role in the ecosystem.