Campbell Biology: Australian And New Zealand Edition + Mastering Biology With Etext
11th Edition
ISBN: 9781488687075
Author: Lisa, A. Urry
Publisher: PEARSON
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Chapter 54, Problem 54.5CR
Summary Introduction
To review: The effect of a pathogen in altering the structure of a community.
Concept introduction: Pathogens are microorganisms that cause harm (disease) to other organisms. They comprise bacteria, virus, prions and others. Pathogens play a crucial role in deciding the structure of ecological communities.
Given data:
- Pathogen.
- Keystone species.
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mutualism
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Chapter 54 Solutions
Campbell Biology: Australian And New Zealand Edition + Mastering Biology With Etext
Ch. 54.1 - Explain how competition, predation, and mutualism...Ch. 54.1 - According to the principle of competitive...Ch. 54.1 - MAKE CONNECTIONS Figure 24.14 illustrates how a...Ch. 54.2 - What two components contribute to species...Ch. 54.2 - How is a food chain different from a food web?Ch. 54.2 - Prob. 3CCCh. 54.2 - MAKE CONNECTIONS Rising atmospheric CO2, levels...Ch. 54.3 - Why do high and low levels of disturbance usually...Ch. 54.3 - Prob. 2CCCh. 54.3 - WHAT IF? Most prairies experience regular fires,...
Ch. 54.4 - Describe two hypotheses that explain why species...Ch. 54.4 - Prob. 2CCCh. 54.4 - WHAT IF? Based on MacArthur and Wilson's island...Ch. 54.5 - What are pathogens?Ch. 54.5 - WHAT IF? Rabies, a viral disease in mammals, is...Ch. 54 - Interspecific interactions affect the survival and...Ch. 54 - Based on indexes such as Shannon diversity, is a...Ch. 54 - Is the disturbance pictured in figure 54.25 more...Ch. 54 - How have periods of glaciation influenced...Ch. 54 - Prob. 54.5CRCh. 54 - Prob. 1TYUCh. 54 - The principle of competitive exclusion states that...Ch. 54 - Based on the intermediate disturbance hypothesis,...Ch. 54 - According to the island equilibrium model, species...Ch. 54 - Prob. 5TYUCh. 54 - Prob. 6TYUCh. 54 - Prob. 7TYUCh. 54 - The most plausible hypothesis to explain why...Ch. 54 - Community 1 contains 100 individuals distributed...Ch. 54 - Prob. 10TYUCh. 54 - EVOLUTION CONNECTION Explain why adaptations of...Ch. 54 - Prob. 12TYUCh. 54 - WRITE ABOUT A THEME: INTERACTIONS In Batesian...Ch. 54 - Prob. 14TYU
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- A symbiotic relationship where both of the co-existing species benefit from the interaction is called _________. a. commensalism b. parasitism c. mutualism d. communismarrow_forwardGive examples of activities that endanger biodiversity and describe how we can preserve it. (Explain in 15 sentences)arrow_forwardWhich cannot be a symbiosis? a. mutualism c. commensalism b. parasitism d. interspecific competitionarrow_forward
- A symbiotic association in which organisms are beneficial to one another is known as (a) predation (b) interspecific competition (c) intraspecific competition (d) commensalism (e) mutualismarrow_forwardWhich term describes the process whereby toxic substances increase along trophic levels of an ecosystem? a. biomassification b. biomagnification c. bioentropy d. heterotrophyarrow_forwardLizards that eat flies they capture on the ground and birds that eat flies they catch in the air are engaged in _______ competition. a. exploitative b. interferencearrow_forward
- The golden jackal is an organism in nature that follows a tiger to feed on leftovers from the tiger's kills. The tiger is unaffected by the golden jackal, while the golden jackal benefits by getting food from leftovers. This symbiotic relationship is called: Mutualism Parasitism Facultative mutualism Commensalismarrow_forwardAn example of abiotic factors impacting the ecosystem?arrow_forwardThe sloth has green algae on its fur. This is an example of______ (answer choices: predation, parasitism, mutualism, commensalism)arrow_forward
- Describe and give an example of each of the following: a. Commensalism b. Mutualism c. Parasitismarrow_forwardClassify the type of symbiotic relationship that exists between a small fish called a remora and the shark with which it swims. The remora cleans food out of the shark's teeth and parasites from the shark's skin. mutualism predation parasitism commensalismarrow_forwardMany species of bacteria take up residence in our bodies and assist in digestion of certain foods. What type of interaction is this? A Competition Parasitism/Predation (c) Mutualism Commensalismarrow_forward
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