Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 55, Problem 5TYK
Production in
- a. temperature and light intensity.
- b. availability of nutrients.
- c. availability of water.
- d. all of the above.
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Chemical fertilizers:
a. supplement carbon fixation by crops.
b. cause eutrophication.
c. provide additional nitrogen for crops.
d. provide additional phosphorous for crops.
e. Only b. c. and d.
Gross primary productivity refers to the total
a. energy used by the heterotrophs of the ecosystem in a given period of time
b. energy captured initially by the producers
c. quantity of solar energy reaching a given area of the ecosystem
d. quantity of solar energy available to the ecosystem in a given period of time
e. energy used by the producers for their growth and reproduction
Netprimary productivity is the primary productivity of an ecosystem, aftersubtracting energy lost in:a.dead plant tissues.b.inedible plant tissues.c.respiration by primary producers.d.respiration by primary consumers.e.inefficiencies of photosynthesis.
Chapter 55 Solutions
Study Guide for Campbell Biology
Ch. 55 - What may happen if the input of a mineral nutrient...Ch. 55 - Compare the movement of energy and chemical...Ch. 55 - a. List some ecosystems with high primary...Ch. 55 - a. Why is production efficiency higher for fishes...Ch. 55 - What is the biological importance of water,...Ch. 55 - a. In which natural ecosystem do nutrients cycle...Ch. 55 - Contrast bioremediation and biological...Ch. 55 - Prob. 1SYKCh. 55 - What is secondary production? How does it relate...Ch. 55 - What processes mediate the interconversion of the...
Ch. 55 - The inefficiency of energy transformations is...Ch. 55 - Which of the following statements about ecosystems...Ch. 55 - Primary production is a. equal to the standing...Ch. 55 - The open ocean and tropical rain forest are the...Ch. 55 - Production in terrestrial ecosystems is affected...Ch. 55 - Which of the following statements concerning net...Ch. 55 - Secondary production is a. measured by the...Ch. 55 - Most food chains have only three to five links....Ch. 55 - Some authors have suggested that humans world-wide...Ch. 55 - Which of the following organisms would you predict...Ch. 55 - If a bird eats seeds with an energy content of 400...Ch. 55 - Biogeochemical cycles are global for elements a....Ch. 55 - The atmosphere is the main reservoir for a. water...Ch. 55 - Which of these processes is incorrectly paired...Ch. 55 - Clear-cutting tropical forests yields agricultural...Ch. 55 - Plants, prokaryotes, and fungi are useful in...Ch. 55 - Which of the following actions is an example of...
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- In an inverted trophic pyramid, biomass is present in the secondary carnivores than in the primary producers. Compared to terrestrial systems, aquatic systems are likely to feature inverted pyramids. A. more; much more B. more; about as C. more; much less D. less; much more E. less; much lessarrow_forwardNet primary production per unit area is likely to be highest in which of the following ecosystems?a. grasslandsb. desertsc. temperate deciduous forestsd. tropical rain forestsarrow_forwardThe total amount of energy taken up by producers through photosynthesis in an ecosystem is known as...? Group of answer choices a. evaporation b. net primary production c. standing crop d. nutrient limitation e. gross primary productionarrow_forward
- Which of the following approaches would be the most effective way to reduce greenhouse carbon dioxide? a. Increase waste deposition into the deep ocean. b. Plant more environmentally-suitable plants. c. Increase use of fuel sources that do not produce carbon dioxide as a by-product. d. Decrease livestock agriculture.arrow_forwardBiological magnification occurs whena. pollutants increase in concentration in tissues at higher trophic levels.b. the effect of a pollutant is magnified by chemical interactions within organisms.c. an organism is placed under a dissecting scope.d. a pollutant has a greater than expected effect once ingested by an organism.arrow_forwardThe process of certain elements through different trophic levels is also called A. food chain B. biodiversity C. biogeochemical cyclingarrow_forward
- Nitrogen availability is a limiting factor in crop production. * D. Disagree, because atmospheric nitrogen is about 80% and therefore nitrogen is readily available. A. Agree, because almost 80% of the atmospheric nitrogen (N2) is readily available. C. Agree, because atmospheric nitrogen must first be reduced to ammonia through N-fixation. B. Disagree, because only a small fraction of the atmosphere is composed of nitrogen gas.arrow_forwardAs energy is transferred from one trophic level to the next, substantial amounts of energy are lost to/asa. undigestible biomass.b. heat.c. metabolism.d. All of the above.arrow_forwardPrimary productivity on land is affected by _______. a. nutrient availability c. temperature b. amount of sunlight d. all of the abovearrow_forward
- A limiting resource does all the following except that it (a) tends to restrict the ecological niche of a species (b) is in short supply relative to a species need for it (c) limits the presence of a species in a given community (d) results in an intermediate disturbance (e) may be limiting for only part of an organisms life cyclearrow_forwardGross primary productivity refers to the total a. energy used by the heterotrophs of the ecosystem in a given period of time energy captured initially by the producers OC.quantity of solar energy reaching a given area of the ecosystem O d.quantity of solar energy available to the ecosystem in a given period of time e. energy used by the producers for their growth and reproduction b.arrow_forwardWhich of the following would BEST help conserve biodiversity. CHOOSE ONLY ONE a. Plant native trees b. Engage in aquaculture c. Backyard farmingarrow_forward
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