Humans and the Energy Cycle Answers

Which condition is a result of using an anaerobic digester? a. increase in the road quality by coating with material from the anaerobic digester b. increase in land fertility due to the addition of the nitrogen and phosphorous byproduct c. increase in pulmonary diseases due to poor air quality from gases produced in cooking and heating d. increase in the number of cattle supported by a given area of land Please select the best answer from the choices provided

The best determinant of how an individual measures their quality of life is _______.a.family and friendsb.educationc.cultured.demographics

The World Resources Simulation Center is intended to address both current and future resource problems.

The percentage of a hunter-gatherer society’s diet provided by hunting versus gathering was mostly determined by _______.a.the climateb.the types of preyc.hunting skilld.the size of the human population

In an ecosystem, energy that flows to tertiary consumers ultimately originates from the sun.

Which of the following best explains the factors that led to the dust bowl?a.Humans had been farming the land for too long without droughts.b.Temperatures suddenly increased and brought on drought conditions.c.Poor farming techniques that killed the soil were combined with drought.d.Humans employed bad soil management practices that were unsustainable.

Which of the following statement about energy and nutrients in an ecosystem is true? a. Energy and nutrients flow in one direction through an ecosystem. b. Energy and nutrients cycle through an ecosystem. c. Energy cycles through an ecosystem, while nutrients flow in one direction. d. Nutrients cycle through an ecosystem, while energy flows in one direction Please select the best answer from the choices provided

The Inuit traditionally relied upon hunting and fishing for a majority of their food because _______.a.prey animals were plentiful and easy to catchb.their homelands were not suited to farming or gatheringc.hunting is healthier and easier than gatheringd.none of the above

Which of the following might not be considered a facet of a quality life?a.financial resourcesb.luxury goodsc.adequate nutritiond.none of the above