- Reptiles
- Birds
- Amphibians
- Mammals
Category: DIVERSITY AMONG ANTMALS (THE KTNGDOM ANIMALIA)
- Direct development
- Indirect development
- Asexual development
- Budding
- True coelom
- Pseudocoelom
- Acoelom
- Hemocoel
- Bivalvia
- Cephalopoda
- Gastropoda
- Polyplacophora
- Porifera
- Cnidaria
- Platyhelminthes
- Nematoda
- Endothermy
- Feathers
- Hollow bones
- Presence of teeth
- Present and bony
- Present and keratinized
- Absent
- Large and overlapping
- Backbone
- Spinal cord
- Notochord at some stage
- Brain
- Digestive
- Nervous
- Water vascular
- Reproductive
- Insecta
- Arachnida
- Crustacea
- Myriapoda
- A nervous system
- A digestive system (in tapeworms)
- Reproductive organs
- Excretory system
- Sexual reproduction
- Asexual reproduction and colony formation
- Larval development
- Regeneration of lost parts
- Habitat
- Reproductive method
- Type of spicules
- Feeding mechanism
- Larynx
- Trachea
- Syrinx
- Air sacs
- Bat
- Kangaroo
- Dolphin
- Platypus
- Squamata
- Testudines
- Crocodilia
- Rhynchocephalia
- Reptiles
- Birds
- Amphibians
- Mammals
- Spinal cord
- Notochord
- Brain
- Nerve net
