An animal like a grasshopper can conserve water because it has an elaborately branching system of tubes within its body that it uses for gas exchange. These tubes are called:

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Tracheae are the branching tubes within the body of insects that are used for gas exchange. Because they are open to the outside environment, water is lost through them, but their small diameter limits the amount of water lost, aiding in water conservation. Gills are used for gas exchange in aquatic animals, book lungs are used by some arachnids, such as spiders, for gas exchange, flame cells are used for excretion in some flatworms, and kidneys are used for excretion in most vertebrates.

An Animal Like a Grasshopper Can Conserve Water Because It