What percentage of carbon emissions remain in the atmosphere?
A) 5 percent
B) 15 percent
C) 50 percent
D) 90 percent
C
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In criticizing ecosystem management, one of your classmates says that it is arrogant for us to think that we can manage nature. You respond that you think she probably has a(n) ______________ worldview.
A. biocentric B. anthropocentric C. expansionist D. anthropomorphic E. stewardship
Identify the organism in the picture and the supergroup it belongs to. What characteristic(s) helped you to identify the organism? 
What will be an ideal response?
Which process is not involved in the hydrologic cycle?
a. nitrification b. transpiration c. precipitation d. evaporation e. condensation
________ could not be involved in gene flow.
A. Zygotes dispersed by ocean currents B. Hybridization between neighboring populations C. Gametes dispersed by ocean currents D. Disassortative mating within a population E. Wind-blown pollen