Question 1 for breathing-and-exchange-matching

Match the respiratory organ with the organism that uses it.

Column I	Column II
(a) Gills	(i) Insects
(b) Lungs	(ii) Earthworms
(c) Tracheal tubes	(iii) Most aquatic arthropods and molluscs
(d) Moist cuticle	(iv) Most terrestrial vertebrates