Question

Assignment-23
How does excretion takes place
protozoan
with drawing ?
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Answer 1

Answer:

Protozoans : Protozoans have no excretory organs. The metabolic waste products i.e. ammonia is passed out by diffusion through the cell membrane in surrounding water. They carry out the process of excretion with the help of contractile vacuoles.They are ammonotelic i.e. their excretory product is ammonia.

Answer 2

Answer:

Protozoan excretes through diffusion