Q: The farther an area is from the equator, what happens to the temperature? Choices: - it fluctuates - it increases - it stabilizes - it gets lower A:
it gets lower

Q: Prior to birth, the lungs are filled with amniotic fluid, mucus, and what else? Choices: - blood - plasma - air - surfactant A:
surfactant

Q: In which kind of species do open circulatory systems serve additional functions? Choices: - some apes - some seedlings - some earthworms - some invertebrates A:
some invertebrates