Ques: Q: Pairs of fish that do not practice broadcast what may exhibit courtship behavior? Choices: - migration - feeding - inheritance - spawning A:
Ans: spawning

Ques: Q: When the number of active receptors falls below that threshold, what happens to the cellular response? Choices: - it responds - it increases - it stabilizes - it ceases A:
Ans: it ceases

Ques: 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:
Ans: oxygen

Ques: Q: What is the process by which producers use the energy in sunlight to make food? Choices: - Embryogenesis - glycolysis - Leukemogenesis - photosynthesis A:
Ans:
photosynthesis