Question 1

Question 1 10 / 10 points Which of the following is defined as "a community of organisms and its local nonliving environment in which matter cycles and energy flows"? Ecosystem Biome Trophic level Predator-prey cycle Decomposers Question 2 10 / 10 points Which of the following is not an abiotic component of a forest ecosystem? Calcium in soil Wind Water in-between soil particles Rock Fungus Question 3 10 / 10 points Which of the following is NOT correctly matched? Dead leaf - detritus Bacteria - decomposer Mushroom - detritus Oak tree - producer Squirrel - consumer Question 4 10 / 10 points Producers are located in which trophic level(s)? All of the above Third Second Both a and b First Question 5 10 / 10 points What percentage of the energy "taken in" by an organism in a natural ecosystem is usually converted to new biomass? 10% 50% 15% 75% 25% Question 6 0 / 10 points Organisms in which trophic level carry out photosynthesis? Third Decomposers Second First All of the above Question 7 10 / 10 points Organisms in which trophic level carry out cellular respiration? All of the above Second Decomposers Third First Question 8 10 / 10 points Photosynthesis converts carbon atoms in _____ to _____. Sugar, carbon dioxide Carbon dioxide, sedimentary rocks Sugar, sedimentary rocks Sedimentary rocks, carbon dioxide Carbon dioxide, sugar Question 9 10 / 10 points Cellular respiration converts carbon atoms in _____ to _____. Sugar, carbon dioxide Sedimentary rocks, carbon dioxide Carbon dioxide, sugar Sugar, sedimentary rocks Carbon dioxide, sedimentary rocks Question 10 10 / 10 points Which of the following best characterizes the changes in our relationship to the Earth as a result of the Industrial revolution? More reliable food production Increased use of energy and natural resources A decline in population A shift from warm and wet to cooler and drier, climatic conditions Permanent human settlements