Question

A) simple diffusion through body surface
B) osmosis through body surface
C) through contractile vacuoles
D) all the above
QUESTION :'' No specific excretory organs are present in unicellular organisms ''. Hence, the main excretion takes place by:​

Answer 1

Answer: A

Explanation:

unicellular organisms, since they do not have any specialized organs for the removal of waste materials, their wastes are removed directly through the cell membrane by the process of diffusion