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

1. seamount a raised footwall block between normal fault creates this 2. syncline break between rocks where a hanging wall rises relative to a footwall 3. hot spring on rolling hills, this a dip between hills 4. volcanic neck created when a block with hanging walls slips down between normal faults 5. caldera underwater volcano that never reaches above sea level 6. horst natural hot water on earth's surface containing many minerals 7. graben underwater volcano whose top is eroded flat by waves 8. crater less than a mile in diameter; looks like a bowl at the top of a volcano 9. guyot magma that filled the central vent that remains after the volcano has eroded 10. reverse fault over 1 mile in diameter; looks like a bowl over a volcano