With climate change, which of the following may happen? New wine growing regions will be established in lower latitudes. Alcohol content will be lowered all of the answers are correct none of the answers are correct Vineyards will increase their yield.
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- Plants obtain ______ by taking it up from the air. a. nitrogen c. phosphorus b. carbon d. waterFigure 46.8 Why do you think the value for gross productivity of the primary producers is the same as the value for totall heat and respiration (20,810 kcal/ m2/yr)?Marguerite has a vegetable garden in Maine. Eduardo has one in Florida. List the variables that could cause differences in the primary production of these gardens.
- The total dry weight of plant material in a forest is a measure of the forests: a. gross primary productivity. b. net primary productivity. c. cellular respiration. d. standing crop biomass. e. ecological efficiency.The amount of energy available to heterotrophs is ________. Select one: a. net primary productivity (NPP) b. always equal c. kilocalories per unit area d. gross primary productivityS.1. Plant Organics produced gas. S.2. In shallow and moderate temperature hydrocarbon produced was gas. a. Statements 1 and 2 are both correct b. Statement 1 is correct, Statement 2 is wrong c. Statement 1 is wrong, Statement 2 is correct d. Statements 1 and 2 are both wrong
- Which nutrient moves into plants during primary production? a.phosphorus b. nitrogen c. carbon d. none e. all threePlants are a source of ________. a. food b. fuel c. medicine d. all of the aboveChemical fertilizers: a. supplement carbon fixation by crops. b. cause eutrophication. c. provide additional nitrogen for crops. d. provide additional phosphorous for crops. e. Only b. c. and d.
- The Venus flytrap is a photosynthetic plant that can trap and eat small insects. The Venus flytrap is a:A) tertiary consumer. B) producer.C) both a producer and secondary consumer. D) both a producer and tertiary consumer.E) secondary consumer. Then expain why the choice is correct and why the others are incorrectFor which of the following problems would growing and maintaining cover crops be an appropriate solution? Erosion is thinning the soil on a farm. The organic matter and nutrients in the soil on a farm are being depleted. The soil on a farm is becoming arid due to decreased water-carrying capacity. a I and II only b I and III only c II and III only d I, II, and IIINitrogen availability is a limiting factor in crop production. * D. Disagree, because atmospheric nitrogen is about 80% and therefore nitrogen is readily available. A. Agree, because almost 80% of the atmospheric nitrogen (N2) is readily available. C. Agree, because atmospheric nitrogen must first be reduced to ammonia through N-fixation. B. Disagree, because only a small fraction of the atmosphere is composed of nitrogen gas.