2. cellulosic biofuels are fuels that are produced by fermentation of cellulose containing materials (wood, leaves, paper, etc.) by yeast. what would be necessary before yeast cells are capable of fermenting sugars from cellulose? (hint: consider the similarities between lactose and cellulose? )

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules

Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?