- Agnatha
- Chondrichthyes
- Osteichthyes
- Urochordata
No category found.
- Feeding
- Respiration
- Locomotion
- Shell secretion
- Trachea
- Book lungs
- Gills
- Lungs
- Malacostraca
- Maxillopoda
- Branchiopoda
- Ostracoda
- Chelicerata
- Myriapoda
- Crustacea
- Hexapoda
- Arachnida
- Crustacea
- Insecta
- Myriapoda
- Polychaeta
- Oligochaeta
- Hirudinea
- Archiannelida
- Scolex
- Rostellum
- Proglottids
- Strobila
- Molting
- Ecdysis
- Exuviation
- All of the above
- Hydrozoa
- Scyphozoa
- Anthozoa
- Cubozoa
- Choanocytes
- Amoebocytes
- Pinacocytes
- Porocytes
- Spider
- Butterfly
- Clam
- Snake
- Cell fate is determined early
- Each cell in the early embryo can develop into a complete organism
- It is found only in protostomes
- It leads to a smaller adult size
- Echinodermata
- Chordata
- Annelida
- Hemichordata
- Annelida
- Arthropoda
- Mollusca
- Echinodermata
- Schizocoely
- Enterocoely
- Gastrulation
- Cleavage
- Enterocoely
- Schizocoely
- Gastrulation
- Cleavage
