Biology: Life on Earth with Physiology Plus Mastering Biology with Pearson eText -- Access Card Package (11th Edition)
11th Edition
ISBN: 9780133910605
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Question
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 fungi and bacteria.
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Give a) 3 examples of biotic componentsb) 7 examples of abiotic components
Give an example of a single microbial speciescontributing to herbivore nutrition.
“The pyramid of energy is always upright” states that
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B)The energy conversion efficiency of carnivores is better than herbivores
C)Producers have the lowest energy conversion efficiency
D)Energy conversion efficiency is the same in all trophic levels
Chapter 29 Solutions
Biology: Life on Earth with Physiology Plus Mastering Biology with Pearson eText -- Access Card Package (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_forwardDefine producer, autotroph, consumer, heterotroph, herbivore, primary consumers, carnivore, secondary consumers, and omnivores. Give examples pleasearrow_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_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_forwardName the apex consumers in the food web shown here.arrow_forward
- Explain 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_forwardIncrease in concentration of the toxicant at successive trophic levels is known as what?arrow_forward
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