Question

what are excertory organs in porifera​

Answer 1

All members of the Porifera phylum lack a distinct excretory system. Instead, these organisms rely on a water flow system to remove waste materials. In Porifera waste products such as ammonia diffuse into cells as water follows through its body

Answer 2

Answer:

Moving swing describes

a) Rotation motion

b) Periodic motion

c) Random motion

d) Vibratory motion