- Jellyfish
- Sea anemone
- Coral
- Hydra
No category found.
- Choanoderm
- Pinacoderm
- Mesohyl
- Gastroderm
- Maxilla
- Mandible
- Zygomatic
- Temporal
- Clavicles
- Scapulae
- Humeri
- Sterna
- Turtles
- Crocodiles
- Lizards
- Snakes
- Estrogen
- Testosterone
- Thyroid hormones
- Adrenaline
- Ray-finned fish
- Lobe-finned fish
- Cartilaginous fish
- Jawless fish
- Bilateral symmetry
- Presence of a coelom
- Presence of a notochord
- Multicellularity
- Cilia
- Flagella
- Tube feet
- Setae
- Gastropoda
- Bivalvia
- Cephalopoda
- Polyplacophora
- Nematoda
- Annelida
- Platyhelminthes
- Mollusca
- Choanocytes
- Cnidoblasts (Cnidocytes)
- Amoebocytes
- Colloblasts
- Nerve cord
- Pharyngeal slits
- Notochord
- Post-anal tail
- Asteroidea
- Ophiuroidea
- Echinoidea
- Holothuroidea
- Temperature regulation
- Camouflage and communication
- Respiration
- Feeding
- Annelida
- Mollusca
- Arthropoda
- Chordata
- Tapeworm
- Liver fluke
- Planaria
- Schistosoma
- Scyphozoa
- Anthozoa
- Hydrozoa
- Cubozoa
- Cnidaria
- Porifera
- Platyhelminthes
- Nematoda
