Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 28, Problem 1AC
Summary Introduction
To interrupt: The finding with respect to the ecological niche and the competitive exclusion principle.
Introduction: In one community, each species that have their particular ecological role under specific environmental condition is known as ecological niche. According to the hypothesis of competition exclusive principle, in a niche, two species cannot stay together for a recognized period because one species is omitted by another species.
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Students have asked these similar questions
According to the resource-ratio hypothesis (a.k.a. R-star), what factor(s) will determine the
maximum number of competing species that could possibly coexist in a community? (Note:
either one or more-than-one answer could be correct)
.what does the number of limiting resources in a community tell us?
The number of limiting resources in the community
The net primary productivity of the community (NPP).
The number of trophic levels that are present in the community.
| The intrinsic rate of increase (r) of each species in the community.
The colonization rate of each species that can access the habitat.
The moray eel and cleaner wrasse story at the beginning of the chapter is an example of which type of
community interaction?
O Competition
O Mutualism
O Parasitism
O Predation
If you had to monitor an ecosystem for evidence of pollution, what are one or two indicator species you would want to pay particularly close attention to? You may discuss specific species of organisms, or can discuss organisms that occupy a specific trophic level in an ecosystem’s food web. Explain why you would select these species or this trophic level.
Chapter 28 Solutions
Biology
Ch. 28.1 - Prob. 1CYLCh. 28.1 - Prob. 2CYLCh. 28.2 - Prob. 1CSCCh. 28.2 - Prob. 1CTCh. 28.2 - Prob. 1CYLCh. 28.2 - explain how competitive exclusion leads to...Ch. 28.2 - explain how interspecific competition can affect...Ch. 28.3 - Prob. 1TCCh. 28.3 - Prob. 1HYEWCh. 28.3 - Prob. 2TC
Ch. 28.3 - Prob. 3TCCh. 28.3 - Prob. 1CYLCh. 28.3 - Prob. 2CYLCh. 28.3 - Prob. 3CYLCh. 28.3 - Prob. 4CYLCh. 28.3 - Prob. 5CYLCh. 28.4 - Prob. 1TCCh. 28.4 - describe some mutualistic interactions and how...Ch. 28.4 - Prob. 2CYLCh. 28.5 - Prob. 1CSCCh. 28.5 - Prob. 1CYLCh. 28.5 - Prob. 2CYLCh. 28.6 - People have suppressed fires for decades. How...Ch. 28.6 - Prob. 2TCCh. 28.6 - explain the process of succession and its general...Ch. 28.6 - describe primary succession and secondary...Ch. 28.6 - explain what a climax community is and what a...Ch. 28.6 - Prob. 3TCCh. 28 - Prob. 1MCCh. 28 - Which of the following statements is not true of...Ch. 28 - Prob. 3MCCh. 28 - Prob. 4MCCh. 28 - Prob. 5MCCh. 28 - Prob. 1FIBCh. 28 - Prob. 2FIBCh. 28 - Prob. 3FIBCh. 28 - Prob. 4FIBCh. 28 - Prob. 5FIBCh. 28 - Prob. 6FIBCh. 28 - Define an ecological community, and describe the...Ch. 28 - Prob. 2RQCh. 28 - Prob. 3RQCh. 28 - Prob. 4RQCh. 28 - Provide examples of two climax and two subclimax...Ch. 28 - Prob. 6RQCh. 28 - Prob. 7RQCh. 28 - Prob. 1ACCh. 28 - Prob. 2ACCh. 28 - Prob. 3AC
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- Explain the Competitive Exclusion Principle. What does it mean, and what are its major ecological consequences?arrow_forwardWhen one species is better at obtaining and holding space than another, it is competitively dominant. Based on the diagram which non-mobile (sessile) species is the dominant competitor in the intertidal? Which is second? Rank the six non-mobile species from (1) most to (6) least competitively dominant. Below are the competitive arrows from the slides (recall that sessile consumers are superior competitors over the algal species). gooseneck barnacle mussel acorn barnacle coral weed black pine Primary Producers nori seaweed 1= strongest competitor and 6= weakest competitor common coral weed [ Choose ] nori seaweed [ Choose ] black pine algae [ Choose ] mussels [ Choose ] acorn barnacles [ Choose ] gooseneck barnacles [ Choose ] > > > >arrow_forwardAccording to the competitive exclusion principle, two species cannot exist together if they occupy the same niche. Either they diverge their niches so they can coexist or one species will die out.All of the following are consistent with the principle of competitive exclusion EXCEPT Select one: a. Birds and bats both consume flying insects, but birds are active in the day and bats are active at night. b. Two species that share the same niche will exclude other competing species. c. Different bird species forage for insects in different parts of the same tree. d. When two species of Paramecium are grown in the same medium, one strain will eventually eliminate its competitor.arrow_forward
- Species 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_forwardWhat is the principle that teaches us that two species cannot coexist in the exact same niche in the same habitat.This is because species with same niches have comparable requirements, which implies they would fight for the same resources.arrow_forwardA conceptual model representing the role, interaction, reaction, and density of essential ecosystem components is shown below. Examine the model and the relationships between the major players (i.e., predator, prey, producer). The structure's most important role is played by these major players. It's also worth noting that nutrition has been included in the model. This is the abiotic component that has a direct or indirect impact on the interaction. Question: Based on this scenario, what is the most significant role of sea otters in the marine community? Why it’s important?arrow_forward
- Discuss competition between species, the competitive exclusion principle, and the phenomenon of niche or resource partitioning. How do they compare and/or contrast?arrow_forwardA niche is loosely defined as an organism's role in its environment, which can include factors such as feeding preference, nesting behaviors, mating behaviors, method of obtaining prey, and local habitats. Keeping Gause's law in mind, do some research on the California red-legged frog and the North Pacific tree frog (use wiki or another Google search). Create a chart comparing the two with respect to their niche or lifestyle that can explain how these two frogs can co-exist in the same ecosystem.arrow_forwardAlthough a species might be physiologically able to live under a wide range of resource conditions, competitors may restrict its use of resources in a particular location. This is known as a character displacement. b mutualism. c realized niche. d fundamental niche. e interference competition.arrow_forward
- A conceptual model representing the role, interaction, reaction, and density of essential ecosystem components is shown below. Examine the model and the relationships between the major players (i.e., predator, prey, producer). The structure's most important role is played by these major players. It's also worth noting that nutrition has been included in the model. This is the abiotic component that has a direct or indirect impact on the interaction. Question: Why does the organism’s interaction appear in an oscillating pattern? What does it suggest?arrow_forwardExplain what occurs during competitive exclusion and resource partitioning.arrow_forwardA(n) ______ niche is all the conditions that species could survive in, whereas a(n) _____ niche is a species’ actual occupied niche for which it is best adapted.arrow_forward
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