Different Habitats Pose Certain Challenges to Animal Survival

Multiple Choice

Different habitats pose certain challenges to animal survival. For instance, terrestrial insects must maintain water balance by minimizing evaporation. How do insects minimize water loss?

A) Eat more plant material that is high in water content.
B) Excrete nitrogenous waste as urea.
C) Have a cuticle covered by a waxy hydrophobic layer.
D) Keep the spiracles open.