Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 29, Problem 6RQ
Summary Introduction
To determine:
The definition of detritivores and decomposers, also explain their importance in ecosystem.
Introduction:
Ecosystem consists of various trophic levels which are interconnected to each other. Producers form the first trophic level and detritivores and decomposers form the final trophic level within an ecosystem. Detritivores and decomposers are the lower organisms that feed upon wastes and dead and decaying matter. Detritivores include nematode worms, earthworms, millipedes, and larvae of some flies. Decomposers include
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Chapter 29 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 29.1 - explain why nutrients cycle within and between...Ch. 29.2 - Prob. 1CSCCh. 29.2 - Prob. 1CYLCh. 29.2 - Prob. 1TCCh. 29.2 - describe how energy flows through an ecosystem?Ch. 29.2 - Prob. 3CYLCh. 29.2 - explain how the inefficiency of energy transfer...Ch. 29.3 - explain why nutrients cycle within and among...Ch. 29.3 - Prob. 1ETCh. 29.3 - Prob. 1TC
Ch. 29.3 - describe the hydrologic, nitrogen, carbon, and...Ch. 29.4 - Prob. 1CSRCh. 29.4 - Prob. 1CTCh. 29.4 - Prob. 1CYLCh. 29.4 - Prob. 1HYEWCh. 29.4 - Prob. 1TCCh. 29.4 - Prob. 2CYLCh. 29.4 - People tend to be much more attuned to whats...Ch. 29.4 - Prob. 3CYLCh. 29 - Prob. 1ACCh. 29 - Prob. 1FIBCh. 29 - Prob. 1MCCh. 29 - Prob. 1RQCh. 29 - Discuss the contribution of human population...Ch. 29 - Prob. 2FIBCh. 29 - Which of the following is not a major reservoir in...Ch. 29 - Prob. 2RQCh. 29 - Feeding levels within ecosystems are also called...Ch. 29 - Prob. 3MCCh. 29 - Define net primary production. Would you predict...Ch. 29 - Prob. 4FIBCh. 29 - Net primary production per unit area is likely to...Ch. 29 - Prob. 4RQCh. 29 - Prob. 5FIBCh. 29 - Prob. 5MCCh. 29 - How do food chains and food webs differ? Which is...Ch. 29 - Prob. 6FIBCh. 29 - Prob. 6RQCh. 29 - Prob. 7FIBCh. 29 - Trace the movement of carbon from one of its...Ch. 29 - Prob. 8RQCh. 29 - Prob. 9RQ
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- Decomposers are associated with which class of food web? a. grazing b. detrital c. inverted d. aquaticarrow_forwardDecomposers are associated with which class of food web? grazing detrital inverted aquaticarrow_forwardIn the trophic structure, autotrophs are living organisms that: Are at the top of the chain, referred to as tertiary producers. Photosynthetic organisms that produce their own energy Organisms that receive their energy by consuming producers such as plants Help to decompose the remains of dead organismsarrow_forward
- An estimated 1000 kg of plant plankton are needed to produce 100 kg of animal plankton. The animal plankton is in turned consumed by 10 kg of fish, the amount needed by a person to gain 1 kg of body mass. i) explain why the amount of biomass declines at each successive trophic level.arrow_forwardExplain the concept of Photostasis and give an example of an abiotic factor causing an energetic imbalance.arrow_forwardIdentify an abiotic change in the environment that would cause a significant shift in this food web. Discuss what the likely effects would be and explain why they would occur.arrow_forward
- Increase in concentration of the toxicant at successive trophic levels is known as what?arrow_forwardDiscuss the valuable significance of some nutrients in an ecosystem.arrow_forwardDraw an example of a food web, including an example of the following: a primary producer, a primary consumer, a secondary consumer, and a tertiary consumer.arrow_forward
- Phytoplankton is an aquatic autotroph. Describe its role in the food web. refer to picturearrow_forwardWhy are decomposers and detritivores essential parts of all food websarrow_forwardThis trophic level creates biomass from abiotic sources quaternary consumer primary consumer primary producer tertiary consumerarrow_forward
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