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 4TYK
The open ocean and tropical rain forest are the two largest contributors to Earth’s net primary production because
- a. both have high rates of net primary production.
- b. both cover huge surface areas of Earth.
- c. nutrients cycle rapidly in these two ecosystems.
- d. the ocean covers a huge surface area and the tropical rain forest has a high rate of production.
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Students have asked these similar questions
In the English Channel ecosystem, the number of primary producers is smaller than the number of primary consumers because________. a. the apex consumers have a low turnover rate b. the primary producers have a low turnover rate c. the primary producers have a high turnover rate d. the primary consumers have a high turnover rate
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.
Which of the following statements BEST describes energy transfer in an ecosystem?
A.
If the primary producer has 175,000 kcal available, the secondary consumer will receive 17,500 kcal from the primary consumer.
B.
If the primary consumer has 175,000 kcal available, the secondary consumer will receive 17,500 kcal from the primary consumer.
C.
If the primary consumer has 175,000 kcal available, the tertiary consumer will receive 175 kcal from the secondary consumer.
D.
If the primary producer has 175,000 kcal available, the tertiary consumer will receive 17,500 kcal from the secondary consumer.
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following statements about the phosphorus cycle is correct? a. Phosphorus is fixed by plants and algae. b. Most phosphorus released from rocks is carried to the oceans by rivers. c. Animals cannot get their phosphorus from eating plants and algae. d. Fertilizer use has not affected the global phosphorus budget.arrow_forwardN2 content is kept constant in the biosphere due to: A. N2 fixation B. industrial pollution C. nitrogen cycle D. absorption of N2arrow_forwardWhich 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_forward
- 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 reproductionarrow_forward92% of the energy produced in the United States is from this source of energy. A. non-depletable B. non-renewable C. renewablearrow_forwardWhich of the following is true about global food production? A. If we continue growing crops for biofuel production and agricultural feed, we will be able to feed billions more people. B. If we eliminated the production of grain-fed animals and maintained current yield and cropland, it is predicted that we could feed an additional 4,000 million people. C. Although poverty is linked to hunger, food production is the major cause of hunger. D. To increase food production, the only option is to increase the yield per area farmed.arrow_forward
- Assume the following strict trophic chain: mountain lions eat deer; deer eat black oak seedlings; lizards eat bugs, spiders eat bugs; bugs eat black oak seedlings. Which of the following statements is true? (choose one) A. The mountain lion is a tertiary consumer B. The deer is a secondary consumer C. The spiders are secondary consumers D. The lizards are primary consumersarrow_forwardWhat is NOT true about organic farming? A. Organic regulations in the U.S. mainly stipulate what kinds of inputs can and cannot be used in food production and processing. B. Organic farmers depend on a price premium from organic food to remain profitable. C. Organic agriculture includes regulations for supporting farm workers’ rights. D. Sales of organic food have risen sharply over the past couple of decades E. Crop yields are often a little lower than in conventional farming.arrow_forwardOf the following benefits, which one is the main potential benefit of water markets? Group of answer choices A. More water is available for lower-income households B. More water is available for agricultural uses C. Water is used for its most highly-valued purposes D.There will be no more water forgeryarrow_forward
- a. What factors cause energy to decrease with each trophic level?b. How is it possible for energy to be lost and the ecosystem to stillrun efficiently?c. Are the nutrients on the earth a renewable resource? Why or why not?arrow_forwardForest trees have trunks, branches, and big roots, contributing to large amounts of total biomass. Grasslands have comparatively less biomass, but have a larger net primary production than that of forests. Why is this so? A. Less respiration is needed in the forest habitat B. More biomass is added in a grassland in the same time as that of forests C. The number of consumers within the forest is greater D. Solar energy is converted to chemical energy at a much higher rate in forestsarrow_forwardThe best long-term solution to the greenhouse gas problem is a.Develop a machine which absorbs carbon dioxide and releases oxygen, similar to what plants do, but better. b.Generating enough smoke in the atmosphere, so that less sunlight penetrates to the earth's surface. c.Using powerful rockets, shift the earth in its orbit slightly, so that it is farther from the sun. d.Using only clean sources of energy.arrow_forward
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