Amitochondrion is an example of a(n) a. organelle. b. nucleolus. c. cytoplasm. d. golgi apparatus.

Which kind of aquatic ecosystem does the photograph most likely show? a. marsh b. swamp c. lake d. river

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis

What would most likely happen if a person increased the amount of saturated fat in his or her diet? the person's risk of cardiovascular disease would increase. the person's risk of cardiovascular disease would decrease. the person's bad cholesterol would decrease. the person’s good cholesterol would increase.