Answer all below. 129.Which factor is the primary control of productivity in aqu

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Answer all below.

129.Which factor is the primary control of productivity in aquatic systems? a. temperature b. precipitation c. light d. salinity 130.Which organism is most likely to have the highest assimilation efficiency? a. endothermic carnivore, such as a lion b. ectothermic carnivore, such as a snake c. endothermic herbivore, such as a deer d. ectothermic herbivore, such as a grasshopper 131.Detrital food chains contain all of the following except a. carnivores b. herbivores. c. decomposer herbivores. d detritus. 132.The base of the detrital food chain is formed by a. primary producers. b. decomposers. c. herbivores. d. dead organic matter 133.Which of the following breaks down the slowest during decomposition? a. simple sugars b. cellulose c. chitin d. Lignirn 134.The uptake of minerals by decomposers is referred to as a. mineralization. b. immobilization c. net mineralization rate. d. decomposition. 135.Decomposers are primarily autotrophs. a. True b. False 136. In ecosystems, internal cycling is dominated by a. b. c. d. global nutrient turnover wet and dry deposition. decomposition and biological uptake photosynthesis and weathering 137.Biological nitrogen fixation is accomplished by a. protozoans. b. bacteria c. fungi d. plants. 138. Which of the following nutrients has a cycle that does not contain an appreciable atmospheric phase? a. carbon b. nitrogen

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Answer all below. 129.Which factor is the primary control of productivity in aqu

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