Campbell Essential Biology (7th Edition)
7th Edition
ISBN: 9780134765037
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 20, Problem 6SQ
Over a period of many years, grass grows on a sand dune, then shrubs grow, and then eventually trees grow. This is an example of ecological _____.
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An ecosystem that is highly capable of recovering and regenerating through secondary succession after
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Chapter 20 Solutions
Campbell Essential Biology (7th Edition)
Ch. 20 - Prob. 1SQCh. 20 - According to the concept of competitive exclusion,...Ch. 20 - Prob. 3SQCh. 20 - Prob. 4SQCh. 20 - Why are the top predators in food chains most...Ch. 20 - Over a period of many years, grass grows on a sand...Ch. 20 - According to the energy pyramid, why is eating...Ch. 20 - Local conditions, such as heavy rainfall or the...Ch. 20 - Prob. 9SQCh. 20 - Prob. 10SQ
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- An ecosystem can be as small as a rotting log in the forest, or as large as the great plains of the United States. This trait is usually referred to by saying 'Ecosystems are ___'.arrow_forwardwhen a natural disaster destroys a stable ecosystem the area is temporarily less stable than before. this is most likely due toarrow_forwardWhich of the following statements about biotic potential is TRUE? Biotic potential of an organism is determined by how they interact with the environment. Increase in food supply increases the biotic potential of an organism. If an organism has higher rate of reproduction, it has higher biotic potential. Small organisms have low biotic potential because of their size.arrow_forward
- All biotic and abiotic factors are interrelated. In nature you will find that if one factor is changed or removed, it impacts the availability of other resources within the system. Knowing this, give an example of what might happen given the following situations. In the areas with the open space place either an A for abiotic or B for biotic to identify what the object is.arrow_forwardWhich of the following is the smallest artificial ecosystem that has sustained for a long period? 1.Folsom pond 2.Folsom bottle 3.Folsom stream 4.None of thesearrow_forwardDisturbance often affects community structure by __________________. Question 24 options: A) accelerating competitive exclusion B) temporarily decreasing the resource base, then increasing the resource base C) increasing the degree to which a resource is limited D) temporarily increasing the resource base, then decreasing the resource basearrow_forward
- Among the biotic components of the ecosystem, the producer system is ? Sea Rivers Green Plants Animalsarrow_forwardWhen there are not sufficient resources for average (common) people, then environmental degradation can occur through the tragedy of the commons. True Falsearrow_forwardWhy is economics important in the analysis of the environmental status/ ecological integrity?arrow_forward
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