Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 45, Problem 42CTQ
Describe the advantage of using an aural or pheromone signal to attract a mate as opposed to a visual signal. How might the population density contribute to the evolution of aural or visual mating rituals?
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Many species of birds have elaborate mating rituals that include bird calls, nest construction, and courtship displays. A researcher is comparing two populations of birds with similar morphology that live in similar niches. Male birds in one population build a nest before attempting to court a female, while males in the other population build the nest in cooperation with the female. Is it likely the researcher will classify these birds as the same species?
Courtship rituals are thought to have come about througha. intrasexual selection.b. agonistic behavior.c. intersexual selection.d. kin selection.
If predators reduce prey abundance to very low levels, how might variable predator environments affect the evolution of flexible mating strategies?
Chapter 45 Solutions
Biology 2e
Ch. 45 - Figure 45.2 As this graph shows, population...Ch. 45 - Figure 45.10b If the major food source of the...Ch. 45 - Figure 45.16 Age structure diagrams for rapidly...Ch. 45 - Which of the following methods will tell an...Ch. 45 - Which of the following is best at showing the life...Ch. 45 - Humans have which type of survivorship curve? Type...Ch. 45 - How is a clumped population distribution...Ch. 45 - Which of the following is associated with...Ch. 45 - Which of the following is associated with multiple...Ch. 45 - Which of the following is associated with the...
Ch. 45 - Species with limited resources usually exhibit...Ch. 45 - The maximum rate of increased characteristic of a...Ch. 45 - The population size of a species capable of being...Ch. 45 - Species that have many offspring at one time are...Ch. 45 - A forest fire is an example of regulation....Ch. 45 - Primates are examples of: density-dependent...Ch. 45 - Which of the following statements does not support...Ch. 45 - Which of the following events would not negatively...Ch. 45 - A country with zero population growth is likely to...Ch. 45 - Which type of country has the greatest proportion...Ch. 45 - Which of the following is not a way that humans...Ch. 45 - The first species to live on new land, such as...Ch. 45 - Which type of mimicry involves multiple species...Ch. 45 - A symbiotic relationship where both of the...Ch. 45 - Which of the following is not a mutualistic...Ch. 45 - The ability of rats to learn how to run a maze is...Ch. 45 - The training of animals usually involves...Ch. 45 - The sacrifice of the life of an individual so that...Ch. 45 - Why are polyandrous mating systems more rare than...Ch. 45 - Describe how a researcher would determine the size...Ch. 45 - The CDC released the following data in its 2013...Ch. 45 - Why is long-term parental care not associated with...Ch. 45 - Describe the difference in evolutionary pressures...Ch. 45 - Describe the rate of population growth that would...Ch. 45 - Describe how the population of a species that...Ch. 45 - Give an example of how density-dependent and...Ch. 45 - Describe the age structures in rapidly growing...Ch. 45 - Since the introduction of the Endangered Species...Ch. 45 - Describe the competitive exclusion principle and...Ch. 45 - Jaguars are a keystone species in the Amazon....Ch. 45 - Describe Pavlov’s dog experiments as an example of...Ch. 45 - Describe the advantage of using an aural or...
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- Which is NOT an alternative mating strategy for sexually selected males who do not engage in direct combat with rivals? A. mate guarding B. sperm competition C. infancticide D. stealth tecnhiquesarrow_forwardWhy might individuals give up defending territories if the density of their population increases?arrow_forwardDiscuss why song would be a barrier to mating with another species and having the incorrect song might change an individuals overall species fitnessarrow_forward
- In the digger bee, some males engage in female defense polygyny, whereas other smaller males exhibit scramble competition polygyny. Describe these two mating systems and explain how they are maintained in male digger bee population.arrow_forward why do females have a greater disadvantage compared to males concerning sexual reproduction? How has this difference between the sex shape sexual selection in general? Choose one form of communication and explain how it is used by competing sex is attracting a mate. arrow_forwardWould animals living in a resource-limited environment benefit more from a polyandrous or monogamous mating system?arrow_forward
- Explain how sexual coercion among primates can be considered an alternative male mating strategy, including when and why it occurs. References are the books "Primate Behavioral Ecology" by Karen Strier and "Planet Without Apes" by Craig Stanfordarrow_forwardMatch the scenario to the type of sexual selection: Question 10 male parrots wish to mate with a female. The female chooses to mate with the male that has the brightest tail feathers. Male giraffes perform mating dances. The ones that perform the dance better are chosen by the female as a mate. Male kangaroos fight each other, the winner claims the female to mate with. Male red-winged blackbird sing and display their feathers to establish their territories. All of the females in that territory will exclusively mate with that male. The impressive feathers of a male peacock are the result of this type of sexual selection All Answer Choices A. Intrasexual selection B. Intersexual selectionarrow_forwardThe conscious selection of a mate is called: Question 5 options: Monogamy Polygamy Nonrandom Mating Random Mating Question 6 (1 point) How does sonar affect some species' ability to hunt? Question 6 options: Sonar incorporates neither light nor sound. Sonar relies on light, rather than sound. Sonar relies on sound, rather than light. Sonar incorporates both light and sound. Question 7 (1 point) Which of the following species undergoes random mating? Question 7 options: Lions Marine Sponges Humans Tigers Question 8 (1 point) Which of the following associative behavior specifically refers to a relationship in…arrow_forward
- Endler (1980) set up two experiments, one in the greenhouse and one in the field to test the influences of mate choice and predation in determining colorfulness of male guppies. Identify the roles of mate choice and predation in determining colorfulness of male guppies. Identify the advantage and shortcomings of the greenhouse experiments. Identify the advantages and shortcomings of field experiments along the Aripo River. Identify other factors, especially physical and chemical factors, might influence male color.arrow_forwardHerd behavior benefits wildebeests by: helping individuals find mates. decreasing the chance of spreading disease. allowing altruistic behavior. increasing the number of resources available.arrow_forwardPolygyny is a form of polygamy in which a male mates with more than one female. Explain how three forms of polygyny differ from each other: resource-defense polygyny, female-defense polygyny, and male-dominance polygyny.arrow_forward
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