Identify the wrong statement :

• A

  Lower invertebrates like sponges, coelenterates, flatworms, etc., exchange gases by simple diffusion over their entire body surface.

• B

  Aquatic arthropods and molluscs use network of tracheal tubes.

• C

  Moist cuticle is used by earthworm.

• D

  Aquatic amphibians and the larval stages of amphibians respire with gills, while terrestrial amphibians use lungs and moist skin.