Use reasoning to lead to the answer of the following question:
What have varied life cycles?\nOptions:\n- (A) bacteria\n- (B) fungi\n- (C) Variety.\n- (D) Cycles.\n- (E) plants\n- (F) Plants.\n- (G) insects\n- (H) Life of air.

(F)
Algae have varied life cycles.

Some, such as the green algae, are plants.

Some plants have varied life cycles.

.

Therefore, the answer is (F)