Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 19, Problem 22CTQ
Describe the competitive exclusion principle and its effects on competing species.
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Which of the following can explain why species are able to coexist, even if the competitive exclusion principle is generally true?
a) Species may be competitively equivalent, with the outcome of each competitive encounter being essentially random.
b) Competitive exclusion may take many generations; prior to that point, there will be coexistence.
c) Spatial heterogeneity in the distribution and concentrations of limiting resources can result in variation in the strength of competition across the landscape.
choose all the answers that apply.
Explain the Competitive Exclusion Principle. What does it mean, and what are its major ecological consequences?
Discuss competition between species, the competitive exclusion principle, and the phenomenon of niche or resource partitioning. How do they compare and/or contrast?
Chapter 19 Solutions
Concepts of Biology
Ch. 19 - Figure 19.2 As this graph shows, population...Ch. 19 - Figure 19.6 If the major food source of seals...Ch. 19 - Figure 19.11 Age structure diagrams for rapidly...Ch. 19 - Which of the following methods will provide...Ch. 19 - Which of the following is best at showing the life...Ch. 19 - Human populations have which type of survivorship...Ch. 19 - Species with limited resources usually exhibit...Ch. 19 - The maximum growth rate characteristic of a...Ch. 19 - The population size of a species capable of being...Ch. 19 - Species that have many offspring at one time are...
Ch. 19 - A forest fire is an example of ________...Ch. 19 - A country with zero population growth is likely to...Ch. 19 - Which type of country has the greatest proportion...Ch. 19 - Which of the following is not a way that humans...Ch. 19 - The first species to live on new land, such as...Ch. 19 - A symbiotic relationship where both of the...Ch. 19 - When an invasive species alters the community...Ch. 19 - Describe how a researcher would determine the size...Ch. 19 - Describe the growth at various parts of the...Ch. 19 - Give an example of how density-dependent and...Ch. 19 - Describe the age structures in rapidly growing...Ch. 19 - Describe the competitive exclusion principle and...Ch. 19 - Describe the potential effects when a keystone...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- What is the competitive exclusion principle? List another example where this principle is demonstrated in the natural world.arrow_forwardDescribe and give (an example) the following relationships between organisms. a) predation b) parasitism c) mutualismarrow_forwardBiologically, what conditions are necessary for stable coexistence of competitors? Describe the major ways that species can adapt to enhance the probability of stable coexistence.arrow_forward
- What is the difference between competitive exclusion and resource partitioning?arrow_forwardExplain what occurs during competitive exclusion and resource partitioning.arrow_forwardWhich of the following regarding species interactions is INCORRECT? a) The net effects of a mutualism on each participant is a fixed characteristic of the interaction, and is rarely influenced by external factors. b) Reciprocal parasitism is an accurate way of describing many mutualistic interactions. c) The Lotka-Volterra competition model accounts for the effects of both interspecific and intraspecific competition.arrow_forward
- Explain what occurs in symbiosis and in coevolution.arrow_forward16. Which of the following can be briefly described in the phrase, "The niches of two species cannot overlap completely or significantly for an extended period." A) Competitive inclusion principle B) Competitive collusion principle C) Competitive exclusion principle D) Competitive illusion principlearrow_forwardSpecies facing competition might evolve mechanism that promotes coexistence rather than exclusion. Justify this statement in light of Gause’s competitive exclusionprinciple, citing suitable examples.arrow_forward
- Explain the term mutualism with example.arrow_forwardInteraction exhibited by the organisms named cat and rat is called; 1: mutualism 2: commensalism 3: predation 4: parasitism 5: competitionarrow_forwardPlants such as soy, peanuts, and greenbeans have large bacterial colonies growing on their roots that help them retrieve nitrogen from the soil. In return, the bacterial colonies retrieve some nutrients from the plant. What type of interaction is this? Competition B Commensalism Mutualism D Parasitism/Predationarrow_forward
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