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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Which among following is not a biotic component ?
Consumer
Producer
Composers
Decomposers
Why are decomposers usually absent from food webs?
A. Decomposers do not have a feeding relationship with other organisms
B. Decomposers can operate at several different trophic levels
C. Decomposers can produce their own food
D. Decomposers can only access energy from dead organisms
This trophic level creates biomass from abiotic sources
quaternary consumer
primary consumer
primary producer
tertiary consumer
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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- What process carries elements through ecosystems? respiration precipitation decomposition nutrient cyclearrow_forwardFood Web Color Code… Producer (Green) ____________________ Primary Consumer ( Yellow) _____________ __________________________________ Secondary Consumer (Blue) _____________ __________________________________ Tertiary Consumer (Red) _______________ Decomposer (Orange) _________________ __________________________________ Describe the movement of energy through the web___________________________ Type Eats … Examples Herbivore Carnivore Omnivore Food Web is a bunch of overlapping _________ ________. The primary source of all energy comes from the ______. What would happen if an organism became extinct? _____________________________________________arrow_forwarda major volcanic eruption ejects millions of tonnes of ash into the atmosphere. explain how this eruption could indirectly affect the food web in a pond thousands of kilometers from the volcanoarrow_forward
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