Question

encircle odd one out of algae , Green plants ,autotrophs, saprotrophs and give reason

Answer 1

Saprophyte is odd one and because it let to feed on dead and decaying matter for foods.

It is whereas algae, autotrophs and green plants to make their own food by the process of autotrophs.

This let them process of photosynthesis and taken back with dead and decaying matter for foods.

Answer 2

Saprotroph

is your answer