Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Textbook Question
Chapter 60, Problem 4TY
The research conducted by Tilman and colleagues demonstrated that
- a. as diversity increases, productivity increases.
- b. as diversity decreases, productivity increases.
- c. areas with higher diversity demonstrate less efficient use of nutrients.
- d. increases in species richness lead to an increase in invasive species.
- e. increased diversity results in increased susceptibility to disease.
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For Eicchornia crassipes (the Water hyacinth) which of the following is most correct:
a.
It has been successfully controlled outside its original natural range by the introduction of natural enemies
b.
It has no known natural enemies
c.
It has never been successfully controlled using natural biocontrol agents
d.
It is naturally controlled by many local enemies outside its original natural range
What are some conditions that might lead to a mutualistic organism becoming a predator/parasite. Select all that apply.
A. Mutualistic nitrogen fixation bacteria might reduce the competitive ability of their host plants in environments with high N availability, because of the energetic costs to the plants of supporting the bacteria
B. none of the above
C. Mutualistic nitrogen fixing bacteria can become parasites in soil with low nitrogen availability because of the energy costs to the plant of supporting the bacteria
D. A mutualist fish species that feeds on ectoparasites of another fish species, might switch to feeding/removing important host tissue or secretions when ectoparasite abundance is too low.
Which of the following statements BEST describes a realized niche?
A. It is the expected morphology and physiology of microbes in a habitat.
B. It is the expected location and ecological function.
C. It is the observe location and ecological function.
D. It is the observe association of microbes in a habitat.
Chapter 60 Solutions
Biology
Ch. 60.2 - Core Skill: Modeling The goal of this modeling...Ch. 60.2 - Prob. 1CCCh. 60.2 - Prob. 1EQCh. 60.2 - Prob. 2EQCh. 60.2 - Prob. 3EQCh. 60.2 - Prob. 4EQCh. 60.4 - Prob. 1CCCh. 60.4 - Prob. 2CCCh. 60 - Prob. 1TYCh. 60 - Prob. 2TY
Ch. 60 - The idea that humans have an innate attachment to...Ch. 60 - The research conducted by Tilman and colleagues...Ch. 60 - Prob. 5TYCh. 60 - Prob. 6TYCh. 60 - Prob. 7TYCh. 60 - Prob. 8TYCh. 60 - Over time, dark forms of the peppered moth (Biston...Ch. 60 - Prob. 10TYCh. 60 - Prob. 1CQCh. 60 - Prob. 2CQCh. 60 - Prob. 3CQCh. 60 - Prob. 1COQCh. 60 - Prob. 2COQ
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