True/False: 35. Many multicellular organisms can break down cellulose molecules.

36. _ Energy flows through an ecosystem in a one-way stream.

37 In the open ocean, food chains are usually shorter.

38. Algae is considered a heterotroph.

39. A scavenger is considered a tertiary consumer.

40. Energy is always recycled.

41. Matter is never recycled.

42. Biogeochemical cycles will sallydhalai indefinitely because matter is never created or destroyed.

43 The largest reservoir of nitrogen is in the hydrosphere.

44. Phosphorus is the limiting nutrient in seawater, whereas nitrogen is the limiting nutrient in freshwater