- Notochord
- Gills
- Jaws
- Tails
Category: DIVERSITY AMONG ANTMALS (THE KTNGDOM ANIMALIA)
- Crocodilia
- Testudines
- Squamata
- Rhynchocephalia
- Cartilaginous skeleton
- Placoid scales
- Swim bladder
- Ampullae of Lorenzini
- Sessile
- Free-swimming
- Parasitic
- Terrestrial
- They can reproduce asexually
- They have both male and female reproductive organs
- They lay eggs
- They undergo metamorphosis
- Budding
- Fragmentation
- Fission
- All of the above
- Arachnida
- Crustacea
- Insecta
- Myriapoda
- Predation
- Photosynthesis
- Filter feeding
- Parasitism
- A diffuse nerve net
- A single ganglion
- A brain-like structure (cerebral ganglia)
- No brain
- Spiral cleavage
- Determinate cleavage
- Enterocoelous coelom formation
- Blastopore forms mouth
- Invertebrates
- Chordates
- Vertebrates
- Deuterostomes
- Locomotion
- Feeding
- Digestion
- Respiration
- Radial cleavage
- Indeterminate cleavage
- Schizocoelous coelom formation
- Blastopore forms anus
- Crop
- Gizzard
- Proventriculus
- Intestine
- Hearing
- Vision
- Smell
- Taste
- Ray-finned fish
- Lobe-finned fish
- Cartilaginous fish
- Jawless fish
- Osteichthyes
- Chondrichthyes
- Agnatha
- Actinopterygii
- Terrestrial life
- Aquatic respiration
- Flight
- Digestion
