Question

organisms which use diffusion for exretion

Answer 1

Many unicellular organisms like Amoeba throw out their wastes by diffusion from their body surface. Protozoan's have no organs for excretion. As they live in an aquatic habitat, their wastes are eliminated by diffusion through the plasma membrane.

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Answer 2

Diffusion is the spreading of something more widely. This can apply to molecules, atoms, ions, particles, information or cultural elements. Sometimes diffusion happens on its own and sometimes there is something that causes it, like heat or agitation.i hope this will be hel