Q: Most ecosystems need what?\nOptions:\n- (A) invasive species\n- (B) water\n- (C) insects\n- (D) food\n- (E) tornadoes\n- (F) recycling\n- (G) plants\n- (H) scientists
Let's think step by step below.

User
Most ecosystems get energy from sunlight. Sunlight is turned into energy by plants. Most ecosystems need plants.
Thus, the answer is (G).
Assistant