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Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Chapter 24, Problem 6SQ
Summary Introduction
Introduction: An ecosystem is defined as a biological community, wherein living organisms interact with one another and with the nonliving components around them. It may include one or more than one community. Producers, consumers, and decomposers are the three main groups in the ecosystem.
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Chapter 24 Solutions
Human Biology (MindTap Course List)
Ch. 24 - Prob. 1RQCh. 24 - Prob. 2RQCh. 24 - Prob. 3RQCh. 24 - Prob. 4RQCh. 24 - Describe the reservoirs and organisms involved in...Ch. 24 - Prob. 1SQCh. 24 - Prob. 2SQCh. 24 - ________ is the study of how organisms interact...Ch. 24 - Prob. 4SQCh. 24 - A feeding relationship that proceeds from algae to...
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- Plant growth is most likely to be limited by the available supply of usable: a. nitrogenb. carbonc. oxygend. phosphorusarrow_forwardA. Most varieties of Sedum are not native plants in Albany or New York City. Why may it be dangerous to introduce a new species to an established ecosystem?B. How does a green roof reduces the amount of carbon dioxide in the atmosphere?C. Why is it important to reduce the amount of carbon dioxide in the atmosphere?D. State one disadvantage of a green roof. E. What are other ways the owners or architects of a building can reduce its carbon footprint?arrow_forward1. Forests can affect their local areas favorably in all of the following ways except: A. causing sunlight to be absorbed, warming the canopy (by the green leaves of trees) B. causing wind velocity to decrease (by the "surface roughness" of trees) C. causing CO, to be removed from the air (by oxygenic photosynthesis in trees) D. causing increased soil erosion (by tree roots releasing water into soils) E. causing O2 to be released into the air (by oxygenic photosynthesis in trees)arrow_forward
- A. April, May, June, July, August, September, and October B. January, February, March, November, and December C. Temperature will always be the limiting factor D. May, June, July, August, September, and October E. January, February, March, April, May, October, November, Decemberarrow_forward(a) Younger plant parts/materials decompose faster compared to older more lignified plant parts/materials; (b) Materials with narrow C:N ratio will decompose more easily compared to materials with wider C:N ratio. A. If statement A is true B. if statement B is true C. both statement A and B are true D. statement A nor B are truearrow_forward28. Forests can affect their local areas favorably in all of the following ways except: A. causing sunlight to be absorbed, warming the canopy (by the green leaves of trees) B. causing CO, to be removed from the air (by oxygenic photosynthesis in trees) C. causing O, to be released into the air (by oxygenic photosynthesis in trees) D. causing decreased soil erosion (by tree roots absorbing water from soils) E. causing wind velocity to increase (by the "surface roughness" of trees)arrow_forward
- 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.arrow_forward10. Forest trees do not need which of the following resources to grow in size from year to year? A. soil nutrients (like nitrogen and phosphorus) B. water (H,O) C. atmospheric carbon dioxide (CO,) D. sunlight E. petroleum products (like gasoline)arrow_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_forward
- Which of the following is true regarding plants and the nitrogen cycle? a. Nitrogen is a micronutrient b. Nitrogen is used for regulation of ion channels c. None of the above are true d. Nitrogen gas is fixed directly by plants e. Plants use fungi to fix nitrogenarrow_forwardA scientist is evaluating the effects of soil nitrogen levels of chlorophyll concentration in spinach leaves. Chlorophyll content is best classified as the... O independent variable O dependent variablearrow_forwardb. What is the probabiluty that randomly selected plant gets fined oe year for both CO2 and SO2 pollution in the same year? c. What is the expected value olf the envitonmental fines that a randomly seleceted plant have to pay one year?arrow_forward
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