Question: If energy striking a molecule can cause sound, then what striking a molecule can cause sound? Answer choices: - waves - thoughts - nerves - voltage - cells - instincts - energy - photons
Answer: energy

Question: If sucrose attracts sperm to the egg for fertilization, then sucrose attracts sperm to the what for fertilization? Answer choices: - egg - ovum - omelet - nest - male - ova - uterus - pistil
Answer: egg

Question: If the average number of individuals per unit of area affect the balance of the environment, then the average number of individuals per unit of area affect the balance of .? Answer choices: - gravity - the environment - energy - Earth orbiting the Sun - an organism's body - objects that have mass - competition - power
Answer:
the environment