Biology
10th Edition
ISBN: 9780073383071
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 55, Problem 2U
The potential for social interactions among individuals should be maximized when individuals
a. are randomly distributed in their environment.
b. are uniformly distributed in their environment.
c. have a clumped distribution in their environment.
d. None of the choices is correct.
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A social interaction between an actor and a recipient can influence their relative fitness. When the outcome of such an interaction brings harm to both participants, the action is described as being _________.
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Chapter 55 Solutions
Biology
Ch. 55 - Source-sink metapopulations are distinct from...Ch. 55 - The potential for social interactions among...Ch. 55 - When ecologists talk about the cost of...Ch. 55 - Prob. 4UCh. 55 - The difference between exponential and logistic...Ch. 55 - Prob. 6UCh. 55 - Which of the following is an example of a...Ch. 55 - If the size of a population is reduced due to a...Ch. 55 - In populations subjected to high levels of...Ch. 55 - In a population in which individuals are uniformly...
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- Behavioral ecology assumes a. that all behavioral traits are innate. b. learning is the dominant determinant of behavior. c. behavioral traits are subject to natural selection. d. behavioral traits do not affect fitness.arrow_forwardThis hypothesis suggests that a resulting association of female preference and male display trait can lead to a positive feedback cycle of ever stronger preference and greater display trait. A. Fisher-Zahavi process. B. Fisher's runaway model. C.Good genes process. D.Bateman's principle.arrow_forwardWhich of the following is not a type of social behavior? a. Cloning b. Spite c. Mutual benefit d. Altruismarrow_forward
- According to proponents of behavioral ecology, Group of answer choices infanticide is beneficial for the social group individuals consciously behave in ways that ensure their fitness individuals act to enhance the survival of their species Individuals choose certain environments based upon the likelihood of carrying out aggressive behavior behaviors have evolved through the operation of natural selectionarrow_forwardValue of one more item to you declines the more items you have…Explain this statement in the context of behavioral ecology.arrow_forwardWhich of the following is an example of a question about mechanism (not function)? A. What stimuli triggers a mother bird to feed her nestling? B. How does parental care benefit the mother's inclusive fitness? C. Why do some species have parental care but not others? D. Do mother birds get better at caring for their offspring over time?arrow_forward
- Which of the following is a cost of living in groups? a. Increased risk of disease transmission b. Reduced competition c. Decreased ability to detect predators d. Decreased visibility to predatorsarrow_forwardAccording to Hamilton’s rule,(A) natural selection does not favor altruistic behavior thatcauses the death of the altruist.(B) natural selection favors altruistic acts when the resultingbenefit to the recipient, corrected for relatedness, exceedsthe cost to the altruist.(C) natural selection is more likely to favor altruistic behaviorthat benefits an offspring than altruistic behavior thatbenefits a sibling.(D) the effects of kin selection are larger than the effects ofdirect natural selection on individuals.arrow_forwardThere are a wide range of potential costs and benefits of living in a group. Sometimes these costs and benefits can create tradeoffs with respect to optimal group size. The following graphs show two such factors – risk of disease (in red) and risk of predation (in black). Researchers can use these relationships to predict optimal group size (yellow star). Which of the following graphs is most consistent with what you would expect for these costs and benefits of group living?arrow_forward
- List the attributes that populations possess but not individuals.arrow_forwardAssume you are studying a lizard that is involved in males displaying to females and females choosing males to mate with. The females will raise the offspring by themselves. Which of the following benefits might females be receiving in this system? a. Direct benefits b. Indirect benefits c. Both a. and b. d. Neither a. nor b.arrow_forwardIn Hamilton's rule, rB > C, the term "C" refers to a. the number of offspring an individual could potentially gain as a result of behaving altruistically b. the average number of offspring an individual is expected to lose as a result of behaving altruistically c. the coefficient of relatedness between two individuals d. the number of offspring gained by an individual that receives help from an altruistarrow_forward
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