How could you describe the process shown below? Farming reduces forest area Deforestation reduces rainfall Fires further reduce forest area Drought conditions increase the likelihood of fires
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A) Divergent Process
B) Positive Feedback Process
C) Negative Feedback Process
D) Neutral Process
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- Whichstatement about changing ecosystem properties during succession is false?a.Biomass increasesb.Community respiration increasesc.Primary production increasesd.Soil depths decreasee.Stream spiraling lengths decreaseTumucumaque National Park ecosystem Organism adaptations1 slide on a primary producer1 slide on a consumerWhich environmental issue is most closely associated with rural poverty-stricken regions where people rely almost exclusively on their local environment for survival? a. air pollutionb. groundwater pollutionc. desertificationd. eutrophication
- Select a forest (examples: Amazon forest; forests on Borneo, Indonesia; old grown forests in US) and describe:Its locationIts biodiversityIts usesIts threats. Suppose a plot of forest is cleared of trees in anticipation of a newshopping mall. However, after the bulldozers are gone, thecompany runs out of money, and the land sits undisturbed for manyyears. Describe the events that may occur in the years followingthe damage to the forest. What are these community changescalled?Involves the participation of decomposers a. water cycleb. carbon cyclec. nitrogen cycled. phosphorus cyclee. none of the cyclesf. all of the cycles
- Which of the following are ways in which bioterrorismcould be exerted?(a) Farm animals (cows and chickens)(b) Agricultural plants (corn and wheat)(c) Subway system(d) Water reservoirs(e) All of the aboveCows and buffaloes release methane gas and pollute the enviornment adding to greenhouse effect. Comment.As a result of_______ , an old animal usually has more pollutants in its body than a young one. a. bioaccumulation b. biological magnification
- Many people who want to reduce their ecological footprinthave focused on how much energy is expended (and howmany climate-warming greenhouse gases are emitted) intransporting food from its place of production to its place ofsale. The typical grocery store item is shipped by truck, air,and/or sea for many hundreds of miles before reaching theshelves, and this transport consumes oil. This concern over“food-miles” has helped drive the “locavore” movement tobuy and eat locally sourced food.However, food’s transport from producer to retailer, asmeasured by food-miles, is just one source of carbon emissionsin the overall process of producing and delivering food. In2008, environmental scientists Christopher Weber and H. ScottMathews conducted a thorough life-cycle analysis (p. 400) ofU.S. food production and delivery. By filling in the table below,you will get a better idea of how our dietary choices contribute toclimate change. After measuring mass, energy content, and dollar valuefor each…Michael wants to build a new storage shed and is considering clearing some trees from his land to use as lumber. What justification best explains the ecological benefit of saving his trees? a Decreasing shade and windbreaks b Providing food for hundreds of species c Sequestering (storing) carbon d Aiding in discharge of aquiferThe biome that is mostly covered by grass and scatteredtrees, with warm temperatures year-round and pronouncedwet and dry seasons, is thea. tropical deciduous forest.b. savanna.c. desert.d. tropical scrub forest.