Animals studied 1 why the development of tissues is an evolu
Animals studied:
Solution
Answer:
| Highest level of organisation | Types of symmetry | Number of germ layers | Embryonic development | |
| Porifera | Cell | Asymmetry | N/A | N/A |
| Cnidaria | Tissue | Radial | 2 | N/A |
| Platyhelminthes | Organ | Bilateral | 3 | Protostome |
| Nematoda | Organ | Bilateral | 3 | Protostome |
