- Caudata
- Anura
- Gymnophiona
- Urodela
Category: DIVERSITY AMONG ANTMALS (THE KTNGDOM ANIMALIA)
- Turtle
- Crocodile
- Boa constrictor
- Cobra
- Mammals
- Birds
- Reptiles
- Fish
- Vertebral column
- Jaws
- Paired appendages
- Pharyngeal slits at some developmental stage
- Respiration
- Buoyancy control
- Digestion
- Reproduction
- Excretion
- Respiration
- Locomotion and feeding
- Reproduction
- Open
- Closed
- Absent
- Reduced
- Annelida
- Mollusca
- Arthropoda
- Echinodermata
- Circular muscles
- Longitudinal muscles
- Exoskeleton
- Hydrostatic skeleton
- Eukaryotic cells
- Multicellularity
- Heterotrophic nutrition
- Ability to reproduce sexually
- Coelom
- Mesoderm
- Mesoglea
- Peritoneum
- External fertilization
- Rapid development of young outside the mother
- Prolonged internal development of offspring
- Asexual reproduction
- Hollow bones
- Presence of a urinary bladder
- Feathers
- Powerful flight muscles
- Bone
- Keratin
- Chitin
- Cartilage
- Reproduce asexually
- Regenerate lost body parts
- Change sex
- Produce bioluminescence
- Gastropoda
- Bivalvia
- Cephalopoda
- Polyplacophora
- Longitudinal muscles
- Circular muscles
- Both longitudinal and circular muscles
- No muscles
- Digestion
- Respiration
- Sensory perception
- Locomotion
