Table 19 Highest Level of Type of organization germ layers a

Table 19. Highest Level of Type of organization germ layers \"asymmetry (sponges) Cell Noa Cnidaria Pha An tea cnidarians-- jellyfish, hyvha. Radar 4 nerve Platyhelminthes ema toda (flatworm) Hoda Nematoda worms) bila uran 3 and have germ Germ associated with gastrulation. Note that deuterostomes product of developmental in which leads threetissue layers

Solution

3. Bilateral symmetry

5.Value of body cavity:

a) Pseudocoelomic fluid is rich in protein and other dissolved substances which is responsible for turgescent state of nematode body.

b) Coelom makes the digestive system independent of the body wall. It can act as hydrostatic skeleton. It transports food, waste and other materials.