With biological magnification, a _____ will have the highest pollutant load
a. producer
b. primary consumer
c. secondary consumer
d. top-level consumer
D
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The range of conditions and resources required by a population is known as its ____, while the range of conditions and
resources that it actually uses is known as its ____.
a. fundamental niche; habitat b. trophic level; habitat c. realized niche; fundamental niche d. fundamental niche; realized niche e. ecological niche; trophic level
Future dumping of radioactive waste by U.S.-based organizations into the ocean requires:
a. a permit by the Department of Commerce. b. approval by the President of the United States. c. an environmental impact statement and approval by both houses of Congress. d. approval by the EPA. e. approval by the Department of Energy.
Trisomy 21 is the only autosomal trisomy that allows survival into adulthood
a. True b. False
Mitosis and meiosis differ in a variety of ways. Which of the following is NOT a way in which both processes differ?
A) whether or not crossing over takes place B) the number of chromosomes in the daugther cells C) the number of daughter cells produced D) the stage of the cell cycle when DNA is duplicated