(Question)
Q: Birds have evolved a respiratory system that enables them to fly. flying is a high-energy process and requires a lot of this? Choices: - weight - nitrogen - adaptation - oxygen A:
(Answer)
oxygen

(Question)
Q: When a solvent with a gas dissolved in it is heated, the kinetic energy of both the solvent and solute _________? Choices: - evaporates - generates - decreases - increases A:
(Answer)
increases

(Question)
Q: What types of living things are divided into nonvascular and vascular groupings? Choices: - organs - mammals - animals - plants A:
(Answer)
plants