EBK HUMAN BIOLOGY
11th Edition
ISBN: 9780100545939
Author: MCMILLAN
Publisher: YUZU
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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
EBK HUMAN BIOLOGY
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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- The 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_forwardWhich one of the following is not caused due to the PV power plants? a. Land pollution b. Battery Pollution c. Eyesight problem d. Earthquakesarrow_forwardPlants use carbon dioxide from the air and are therefore called _____. a. consumers b. producers c. decomposer d. carbon fixersarrow_forward
- Plant growth is most likely to be limited by the available supply of usable: a. nitrogenb. carbonc. oxygend. phosphorusarrow_forwardPlants are a source of ________. a. food b. fuel c. medicine d. all of the abovearrow_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
- b. carnivores c. heterotrophs d. autotrophs 6. Any organism that must obtain its food from a source outside itself is a(n) a. autotroph. b. heterotroph. C. parasite. d. saprophyte. 8. Which is a consumer? MO) b. grassarrow_forward26. Which of the following alternative energy sources (not using fossil fuels) does not depend on the energy from sunlight (either directly or indirectly)? A. photovoltaic power from solar cells B. wind power C. hydroelectric power from dams D. tidal power E. biofuels from photosynthesisarrow_forward2. Which of the following agricultural “pests" eat the most desirable (to humans) plant products? A. nematode worms B. vertebrates (like birds, mice, and rabbits) C. insects D. bacteria, viruses, and viroids E. weedsarrow_forward
- 4. Forest trees do not need which of the following resources to grow in size from year to year? A. carbon dioxide (CO2) B. nitrogen dioxide from automobile exhaust (NO;) C. water (H2O) D. soil nutrients (like nitrogen and phosphorus) E. sunlightarrow_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_forwardChemical 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_forward
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