54. In the Carbon Cycle, producers use respiration to produce complex organic mo

Question

54. In the Carbon Cycle, producers use respiration to produce complex organic molecules True or False 55. In the Nitrogen Cycle, bacteria, not plants, perform the difficult chemical conversions. True or False 56. In the Phosphorus Cycle rock is the ultimate source of phosphorus atoms 57. Primary succession begins with the disturbance of an existing ecosystem. 58. In aquatic primary succession, wet meadows dry out and then steps for terrestrial True or False True or False steps are followed. True or False 59. The modern concept of succession and climax communities states that the only thing True or False True or False True or False True or False True or False differentiating them is their time scale 60. Biomes are determined by climate. 61. Desert biomes are always hot and dry. 62. Savanna has largely been spared from human impact. 63. The shore substrate determines the benthic organisms that can live there.

Explanation / Answer

54. false. producers use the photosynthesis to produce complex organic compound.

55.True. The most complex process of nitrogen cycle ie nitrification and denitrification is performed by the bacterias.

56. True.  Over time, rain and weathering cause rocks to release phosphate ions and other minerals.

57. True. Succession usually begins with the disturbance of a pre-existing ecosystem, followed by recovery.

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