Earthworms and other animals (some amphibians) that use their skin for gas exchange must live in water or damp places in order to keep the exchange surface moist.
(Earthworms and other animals (some amphibians) that use their skin for gas exchange; damp; places; in order) (Earthworms and other animals (some amphibians) that use their skin for gas exchange; must live; L:in water) Context(Earthworms and other animals ( some amphibians ) that use their skin for gas exchange must live,List([0, 93))):(Earthworms and other animals; use; their skin for gas exchange)
Earthworms and other animals ( some amphibians ) that use their skin for gas exchange must live,List([0, 93))
Earthworms and other animals (some amphibians) that use their skin for gas exchange Earthworms and other animals (some amphibians) that use their skin for gas exchange Earthworms and other animals
damp must live use
places in order
L:in water
their skin for gas exchange