How Do Spiracles Contribute to the Minimization of Water Loss

Multiple Choice

How do spiracles contribute to the minimization of water loss in insects?

A) Spiracles contribute to water recovery from the hindgut.
B) The spiracles control the opening of the Malpighian tubules.
C) The opening of spiracles allows for water uptake during a period of rain.
D) The closure of spiracles prevents evaporative water loss from the tracheae.