Practice Test 2

Practice Test 2 - Practice Exam 2 for Biology 1510 with...

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1. Which of the following changes would not result in an increase in net primary production? A) Increased precipitation in an arid area B) Increased soil fertility C) Increased latitude (moving from the equator toward the poles) D) Moving down a mountain to warmer temperatures E) Increasing the light in aquatic ecosystems 2. Which of the following elements is not a major component of living systems? A) Carbon B) Nitrogen C) Oxygen D) Hydrogen E) Potassium 3. The two main human-induced causes of increased CO 2 levels are A) the burning of fossil fuels and the burning of forests. B) the burning of fossil fuels and the raising of cattle. C) modern agricultural fertilizers and the raising of cattle. D) pollution-induced mortality of oceanic algae and the burning of forests. E) modern agricultural fertilizers and pollution-induced mortality of oceanic algae. 4. _______ theory tries to answer questions related to how an animal looks for and acquires food. A) Storage B) Foraging C) Social D) Animal E) None of the above 5. Organisms that obtain their food from both primary consumers and another trophic level are called A) herbivores. B) omnivores. C) detritivores. D) producers. E) autotrophs. 6. An inverted pyramid of _______ may occasionally be observed in _______ communities. A) energy; grassland Practice Exam 2 for Biology 1510, with Answer Key
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B) energy; forest C) biomass; marine D) biomass; grassland E) biomass; forest 7. The intrinsic rate of increase, r max , is A) the number of individuals added to each generation in a growing population under optimal conditions. B) the difference between the average per capita birth rate, b , and the average per capita death rate, d , under optimal conditions. C)
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This note was uploaded on 01/16/2012 for the course BIO 1510 taught by Professor Unknown during the Fall '07 term at Georgia Tech.

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Practice Test 2 - Practice Exam 2 for Biology 1510 with...

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