environmental science

practice questions for Spring Midterm 13,14,15,16 &19 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Which of the following types of agriculture is most characteristic of developing countries? a. plantation agriculture b. traditional intensive agriculture c. traditional subsistence agriculture d. industrialized agriculture ____ 2. The plants of the second green revolution are a. giant varieties. b. slow growing. c. high-yield varieties. d. adapted to drought. ____ 3. All of the following factors contributed to a doubling of U.S. food productivity since 1940 except a. increased use of fossil fuels. b. increased amount of cultivated land. c. increased use of pesticides. d.

Practice Test APES Spring Midterm 2007 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Which of the following does not apply to sea otters? a. They have blubber to keep them warm. b. They can eat 25 % of their weight per day in sea urchins and other benthic organisms. c. They use tools. d. They have the thickest fur of any mammal. ____ 2. The most common pattern of population dispersion found in nature is a. random. b. uniform. c. clumped. d. dispersed. ____ 3. Biotic potential is determined by a. reproductive age span. b. the minimum viable population. c. how many offspring die before reproducing. d. irruptive populations.