Q: The inside surface of the jejunum is covered with tiny projections called what? Choices: - flagella - mucosa - alveoli - villi A:
villi

Q: Maintaining a high metabolic rate takes a lot of what? Choices: - fuel - hydrogen - power - energy A:
energy

Q: Q: Major exchange pools of carbon include organisms and what else? Choices: - location - duration - the intensity - the atmosphere A:
A: the atmosphere

Question: Q: What surrounds the lungs in a thoracic cavity? Choices: - calcium - single membrane - water - double membrane A:
Answer: double membrane

*Question*
Q: What provides the identities of the reactants and products involved in the chemical change? Choices: - electron shells - genome sequence - atomic numbers - chemical formulas A:
**Answer**
chemical formulas

Q: The word fungus comes from the latin word for what? Choices: - mold - vegetable - spore - mushroom A:
mushroom