CAMPBELL BIO-MOD.MASTERING ACCESS
1st Edition
ISBN: 9780135351789
Author: Urry
Publisher: PEARSON C
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Chapter 54, Problem 14TYU
Summary Introduction
To describe: The ecological interactions that occur between three species.
Concept introduction: Mutualism is a type of interaction in which both the species are benefitted due to the association. In this type of interaction, both the species incur some cost and in turn both get benefits.
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Chapter 54 Solutions
CAMPBELL BIO-MOD.MASTERING ACCESS
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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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
- Hypothetical balanced food chain. The Sun and Earth supply 6 units of energy to each plant. For higher trophic levels, individuals consume 2 units of energy each before passing the remainder to the next trophic level. The number of individuals in each trophic level is given below. Complete the table below by computing the number of energy units in each columnarrow_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_forwardCreate a model which accurately, in detail, depicts the potential pathways of carbon (biomass) and energy in an ecosystem with at least five trophic levels (don’t forget your decomposers, they can count as one trophic level). Make sure to incorporate the multiple pathways that biomass and energy could take at each trophic level. Lastly, clearly illustrate how carbon and energy flow in this ecosystem. Be sure to include adequate levels of detail for all pathways and differentiate the flow of carbon and energy in your model.arrow_forward
- Hypothetical balanced food chain. Sun and Earth supply 6 units of energy to each plant. For higher tropic levels, individuals consume 2 units of energy each before passing the remainder to the next trophic level. The number of individuals in each trophic level is given below. Complete the table below by computing for the number of energy units in each column. Trophic Levels No. Individuals in Each Trophic Level No. of Units Received from Trophic Level Above No. Units Used / Individual (Resp) No. Units Used in Trophic Level No. Units Remaining & Passed on to Next Trophic Level Mean No. Units Available per Individual in Trophic Level SUN +E = 6 1) Plants 30 180 2 2) Grasshopper 19 2 3) Frog 12 2 4) Snake 8 2 5) Owl 4 2arrow_forwardTwo species are investigated to understand their adaptive strategies against the environmental stressor(s). Species A has shallow roots and relies on soil moisture, while Species B is dependent on deep groundwater. In Figure 2, the leaf water potential at pre-dawn (before sunrise) and at midday (noon) were quantified for each species throughout the year. Is the top panel most likely to represent data for Species A or Species B? Figure 2. Pre-dawn and midday leaf water potential (Ψleaf) for the two species at different dates throughout the year.arrow_forwardArticle readings: Why some animals are more important to ecosystem than others. From the article, list down all the species being described as keystone species and their negative effect when removed from their ecosystem. Define the ‘Keystone species concept” and differentiate it from “morphological species concept”. How does a keystone species plays its role in having a trophic cascade scenario? 1 sentence only.arrow_forward
- Compare and contrast trophic levels, food chains, and food webs. How are these concepts related, and how do they differ?arrow_forwardNeed help Can you think of a species of animal that is well adapted to survive in multiple land cover categories in the Central Valley.Name the species and explain?arrow_forwardSCENARIO: Ecologists have recently made an observation regarding a species of nematode (round worm) commonly found in Australian soils with two distinct phenotypes appearing, the mutant form appears to have increased cuticle formation. This species is a crucial part of their ecosystem’s food web and is a predator of many soil microbes. The divergent phenotype appears to negatively affect its predatory behaviour, which could have disastrous flow on effects to the rest of the ecosystem. Preliminary studies also indicate this phenotype has a genetic basis, so is not caused by infection. You have been tasked with uncovering the genetic basis of this phenotype. Q1. Given the phenotype blister nematode leads to a negative impact on the nematode’s predatory behaviour, develop a hypothesis as to why this phenotype is increasing among the population (i.e. it is being positively selected for): Q2. Briefly describe an experiment you could use to test this hypothesis:arrow_forward
- SCENARIO: Ecologists have recently made an observation regarding a species of nematode (round worm) commonly found in Australian soils with two distinct phenotypes appearing, the mutant form appears to have increased cuticle formation. This species is a crucial part of their ecosystem’s food web and is a predator of many soil microbes. The divergent phenotype appears to negatively affect its predatory behaviour, which could have disastrous flow on effects to the rest of the ecosystem. Preliminary studies also indicate this phenotype has a genetic basis, so is not caused by infection. You have been tasked with uncovering the genetic basis of this phenotype. Q6. Given the phenotype leads to a negative impact on the nematode’s predatory behaviour, develop a hypothesis as to why this phenotype is increasing among the population (i.e. it is being positively selected for): Q7. Briefly describe an experiment you could use to test this hypothesis:arrow_forwardTest Your Understanding 16 Would the microclimate of an ant be the same as that of an elephant living in the same area? Why or why not?arrow_forwardWhich of the following terms identifies the amount of energy available at each trophic feeding levelarrow_forward
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