Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Textbook Question
Chapter 53, Problem 4TYK
Devegetation has what effect on ecosystem dynamics?
a. It increases belowground biomass.
b. It increases nutrient export.
c. It increases rates of groundwater recharge (penetration of precipitation to the water table).
d. It increases the pool of soil organic matter.
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Chapter 53 Solutions
Biological Science (6th Edition)
Ch. 53 - What is the main global reservoir of nitrogen?Ch. 53 - Prob. 2TYKCh. 53 - Prob. 3TYKCh. 53 - Devegetation has what effect on ecosystem...Ch. 53 - Prob. 5TYUCh. 53 - Explain why decomposition rates in a field in...Ch. 53 - Why are the open oceans nutrient poor? Why are...Ch. 53 - Prob. 8TYUCh. 53 - Prob. 9TYPSSCh. 53 - During the Carboniferous period, rates of...
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- 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_forwardPart 1:Then write a two to four page position paper: Is the Three Gorges Dam doing more good than bad?Part 2: Answer the following questions using 2-3 sentences.1. In what ecosystem province is Charleston, SC?2. What is the predominant land-surface form in this province?3. What is the moisture deficit?4. What are the indicator species?5. From what ecosystem province do you come?6. If you were to walk NW from Charleston and arrive at the Great Lakes, through what ecosystem provinces would you pass?7. What is the difference between an ecosystem and a biome? Why might someone find it more useful to use the concept of ecosystem or ecosystem provinces as shown here? Describe a situation in which it might be more useful to use the concept of biomes.arrow_forwardWhich of the following actions would MOST likely result in an increase in biodiversity in soil? A. plant mosses in order to increase nitrogen in the soil B. remove ferns to decrease the roots in the soil C. add rocks to the soil to decrease soil erosion D. till soil and plant one crop to the soilarrow_forward
- Which of the following is a biotic factor? a. wind b. disease-causing microbe c. temperature d. soil particle sizearrow_forwardThe diagram below represents recycling of nutrients in a certain ecosystem. Sunlight. I Secondary Consumer Producer. Q. Dead organism III. II Mineral salts and hunts a.Name the trophic level represented by Q b.Name the process represented by: I II III c.Name the organism involved in process II d.What would happen within the ecosystem if all the secondary consumer were eliminated?arrow_forwardConsider figure 49.8 in the textbook. Note the red versus blue squares and the red versus blue bars in the graph. Please choose all applicable options. a.The difference in color (red versus blue) corresponds to a difference in an abiotic factor. b.The difference in color intensity (dark red versus light red) corresponds to a difference in a biotic factor. c.The difference in color (red versus blue) corresponds to a difference in a biotic factor. d.The difference in color intensity (dark red versus light red) corresponds to a difference in an abiotic factor.arrow_forward
- Net 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_forwardWhichstatement about changing ecosystem properties during succession is false?a.Biomass increasesb.Community respiration increasesc.Primary production increasesd.Soil depths decreasee.Stream spiraling lengths decreasearrow_forwardPlant growth is most likely to be limited by the available supply of usable: a. nitrogenb. carbonc. oxygend. phosphorusarrow_forward
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