Question to you: What is the name of something some animals use to conserve water and elminate waste?\nOptions:\n- (A) it keeps an organism warm\n- (B) food and shelter\n- (C) Exfoliation\n- (D) an area swollen with pus\n- (E) swamp vegetation\n- (F) excretory structures\n- (G) reusing materials\n- (H) colder and wetter.
Let's reason step-by-step:
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Some arthropods have special excretory structures. Terrestrial arthropods have an excretory system that conserves water and eliminates waste. Some animals have excretory structures that conserve water and elminate waste. Final answer: (F).
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