Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 46, Problem 6RQ
Decomposers are associated with which class of food web?
- grazing
- detrital
- inverted
- aquatic
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Chapter 46 Solutions
Biology 2e
Ch. 46 - Figure 46.8 Why do you think the value for gross...Ch. 46 - Figure 46.10 Pyramids depicting the number of...Ch. 46 - Figure 46.17 Which of the following statements...Ch. 46 - The ability of an ecosystem to return to its...Ch. 46 - A re-created ecosystem in a laboratory environment...Ch. 46 - Decomposers are associated with which class of...Ch. 46 - The primary producers in an ocean grazing food web...Ch. 46 - What term describes the use of mathematical...Ch. 46 - The position of an organism along a food chain is...Ch. 46 - The loss of an apex consumer would impact which...
Ch. 46 - A food chain would be a better resource than a...Ch. 46 - The weight of living organisms in an ecosystem at...Ch. 46 - Which term describes the process whereby toxic...Ch. 46 - Organisms that can make their own food using...Ch. 46 - In the English Channel ecosystem, the number of...Ch. 46 - What law of chemistry determines how much energy...Ch. 46 - The mussels that live at the NW Eifuku volcano are...Ch. 46 - The movement of mineral nutrients through...Ch. 46 - Carbon is present in the atmosphere as ________...Ch. 46 - The majority of water found on Earth is: ice water...Ch. 46 - The average time a molecule spends in its...Ch. 46 - The process whereby oxygen is depleted by the...Ch. 46 - The process whereby nitrogen is brought into...Ch. 46 - Which of the following approaches would be the...Ch. 46 - How would loss of fungi in a forest effect...Ch. 46 - Compare and contrast food chains and food webs....Ch. 46 - Describe freshwater, ocean, and terrestrial...Ch. 46 - Compare grazing and detrital food webs. Why would...Ch. 46 - How does the microcosm modeling approach differ...Ch. 46 - How do conceptual and analytical models of...Ch. 46 - Compare the three types of ecological pyramids and...Ch. 46 - How does the amount of food a warm-blooded animal...Ch. 46 - A study uses an inverted pyramid to demonstrate...Ch. 46 - Describe what a pyramid of numbers would like if...Ch. 46 - Describe nitrogen fixation and why it is important...Ch. 46 - What are the factors that cause dead zones?...Ch. 46 - Why are drinking water supplies still a major...Ch. 46 - Discuss how the human disruption of the carbon...
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- Decomposers are associated with which class of food web? a. grazing b. detrital c. inverted d. aquaticarrow_forwardThe uptake of phosphorus and nitrogen by plants is aided by ________ in terrestrial systems. precipitation temperature Rhizobia bacteria mycorrhizal fungiarrow_forwardFigure 22.19 Which of the following statements about the nitrogen cycle is false? Nitrogen fixing bacteria exist on the root nodules of legumes and in the soil. Denitrifying bacteria convert nitrates (NO3 ) into nitrogen gas (N2). Ammonification is the process by which ammonium ion (NH4+) is released from decomposing organic compounds. Nitrification is the process by which nitrites (NO2-) are converted to ammonium ion (NH4+).arrow_forward
- Figure 20.12 Which of the following statements about the nitrogen cycle is false? a. Ammonification converts organic nitrogenous matter from living organisms into ammonium (NH4+) . b. Denitrification by bacteria converts nitrates (NO3) to nitrogen gas (N2) . c. Nitrification by bacteria converts nitrates (NO3) to nitrites (NO2) . d. Nitrogen fixing bacteria convert nitrogen gas (N2) into organic compounds.arrow_forwardAn organism exists for long periods by using only CO2 and H2O. herbivore. carnivore. decomposer. autotroph. heterotroph.arrow_forwardPlants absorb dissolved nitrates from soil and convert them into : Free nitrogen Urea Proteins Ammoniaarrow_forward
- Why are terrestrial autotrophs responsible more global productivity than marine producers? higher local biomass per unit productivity ocean temperature limit cellular physiology currents stress out the plankton terrestrial CO2 is more accessible for uptake all of the abovearrow_forward1 point What process Is the base of the food web? Cellular Resplration Photosynthesls Mitosls SneezIng 3 points Pehecca Is completing a lab In which she measuring the lan monitors the temparrow_forwarda. What eventually happens to the nutrients that run off into theocean with sewage and other effluents?b. Why can high mountain communities usually dispense with watertreatment?arrow_forward
- what is the biogas flame color and odor? the biogas undergo anaerobic digestion using food scraps and cow dungarrow_forwardDuring biological nitrogen fixation, microbial plant symbionts uptake_________and converted it to__________?arrow_forwardWhy a medium of a biofilter should have a high content of inorganic nutrients?arrow_forward
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