Animal Classification Key –words classification coastal deforestation amphibians habitat arboreal vertebrates reptiles terrestrial aerial invertebrates mammals aquatic grasslands boneless leathery adaptations polar backbone toxic Define the terms 1. Habitat: A place or an environment where a plant or an animal naturally or normally lives, feeds or grows. 2. Deforestation: The process of cutting down of trees. 3. Terrestrial animals: The animals that live on land are called terrestrial animals. 4. Arboreal animals: Arboreal animals are terrestrial animals that live mostly on trees. 5. Aquatic animals. The animals which live in water are called aquatic animals. 6. Amphibians: Animals that can live on bo