Biology - Study Guide
8th Edition
ISBN: 9780321501561
Author: Martha R. Taylor
Publisher: PEARSON EDUCATION (COLLEGE)
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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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Which of the following are important biotic factors that can affect the structure and organization of an ecosystem?
A)temperature, water
B)nutrient availability, soil pH
C)predation, competition
D)precipitation, wind
E)light intensity, seasonality
"Write a scenario describing what would happen to an ecosystem or to the human system in the event that:(a) All producers are killed through loss of fertility of the soil or through toxic contamination, (b) decomposers and detritus feeders are eliminated.
Support all of your statements with reasons drawn from your understanding of the way ecosystems function"
As 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.
Chapter 55 Solutions
Biology - Study Guide
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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- Organisms at the first trophic level ________. a. capture energy from a nonliving source b. are eaten by organisms at lower trophic levels c. are shown at the top of an energy pyramid d. are consumersarrow_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_forwardWhich of the following is a component of an ecosystem but not of an ecological community? (a) a producer (b) water (c) a secondary consumer (d) a primary consumerarrow_forward
- Based on results from studies at Hubbard Brook Experimental Forest, what would be the predicted effect of clearing trees from a watershed? a. Increased loss of water and nutrients from a watershed b. Decreased loss of water and nutrients from a watershed c. Increased availability of phosphorus d. Increased availability of nitratearrow_forwardPhytoplankton absorb a very small concentration of a pollutant and are then eaten by zooplankton. Smelt eat the zooplankton and then Lake trout eat the smelt. At the top of the food chain, the concentration of the toxic chemical can be so high that it is dangerously toxic to the herring gull or the herring gull's offspring. This is an example of _____. a biomagnification b bioaccumulation c air pollution d habitat lossarrow_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
- At which point in the trophic pyramid is the greatest arount (not percentage) of energy lost? A) Between the primary producers and the primary consumers B) Between the primary consumers and the secondary consumers C)Between the secondary consumers and the tertiary consumers D) Between the secondary consumers and the primary producersarrow_forwardIn most ecosystems, the primary producers use energy from______ to build organic compounds. a. sunlight b. heat c. breakdown of wastes and remains d. breakdown of inorganic substances in the habitatarrow_forwardAs a general rule, how much energy is lost in the transmission of energy from one trophic level to the one immediately above it? a. 1% b. 10% c. 90% d. 50%arrow_forward
- Alberta Einstein might have said once that: “if the bee disappears from the surface of the earth, man would have no more than four years to live. No more bees, no more pollination, no more plants, no more animals, no more man.” Pollination is an example of a large-scale process with significant implications for humans described as a/an: a) Trophic pyramid b) Ecosystem engineer c) Ecosystem service d) Trophic cascade which one?arrow_forwardUnder what conditions would you expect the lowest NPP in a terrestrial ecosystem? a)Cool temperatures, high precipitation b)Warm temperatures, low precipitation c)Cool temperatures, low precipitation d)Warm temperatures, high precipitationarrow_forwardExplain(in terms of biological or chemical impacts on aquatic ecosystems) why plant nutrients usually are the worst kinds of water pollutants. The term B.O.D. should be part of your answer.arrow_forward
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