Q: What is the name of the symbiotic relationship in which one species benefits while the other species is not affected? Choices: - pollenation - differentiation - mutualism - commensalism A:
commensalism

Q: What is the unit used to measure air pressure? Choices: - pounds per inch - newtons - mass - millibar A:
millibar

Q: Q: Any unused energy in food, whether it comes from carbohydrates, proteins, or lipids, is stored in the body where? Choices: - kidneys - spleen - bones - fat A:
A: fat

Question: Q: What is the structure which hangs from a newly hatched salmon larva? Choices: - air sac - liquid sac - stomach sac - yolk sac A:
Answer: yolk sac

*Question*
Q: What kind of power plant uses energy to heat water that becomes steam and spins turbines? Choices: - hydroelectric - coal - wind - nuclear power plants A:
**Answer**
nuclear power plants

*Question*
Q: The changing of a light ray's direction (loosely called bending) when it passes through variations in matter is called this? Choices: - wavelength - resonance - vibration - refraction A:
**Answer**
refraction