I'll give you a question, please answer with step-by-step reasoning process.
Wetlands are extremely important \nOptions:\n- (A) water conservation\n- (B) global ecosystems\n- (C) Desert Ecosystem\n- (D) Terrestrial ecosystems\n- (E) important habitats\n- (F) the environment\n- (G) food and shelter\n- (H) Forest Ecosystems

(B)
Wetlands are extremely important biomes.

Biomes are global ecosystems.

Wetlands are extremely important global ecosystems.

.

Therefore, the answer is (B)