Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 43, Problem 4CT
When researchers gave pair-bonded voles methamphetamine in their drinking water the voles’ brains made less oxytocin. What effect do you think this hormonal change had on partner preference in these animals?
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Chapter 43 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 43 - Prob. 1DAACh. 43 - Prob. 2DAACh. 43 - Prob. 3DAACh. 43 - Whether a fruit fly is a sitter or a rover depends...Ch. 43 - Prob. 2SQCh. 43 - An animal that navigates by the stars needs...Ch. 43 - The honeybee dance language transmits information...Ch. 43 - A _______ is a chemical that conveys information...Ch. 43 - Prob. 6SQCh. 43 - Generally, living in a social group cost the...
Ch. 43 - Prob. 8SQCh. 43 - Prob. 9SQCh. 43 - Prob. 10SQCh. 43 - A honeybee worker is a ________. a. fertile female...Ch. 43 - Prob. 12SQCh. 43 - Prob. 13SQCh. 43 - Prob. 14SQCh. 43 - Prob. 15SQCh. 43 - Prob. 1CTCh. 43 - Prob. 2CTCh. 43 - European cuckoos and North American brown-headed...Ch. 43 - When researchers gave pair-bonded voles...
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- To study the control of sex hormones on behavior, researchers may remove an animal’s ovaries or testes and then inject the animal with an estrogen or androgen of interest to see what behavioral effects they have. What advantage does this technique have over another approach, which is simply to measure the concentrations of specific hormones in the blood of animal subjects from time to time?arrow_forwardWhat is the importance of feedback systems in the control of hormonal output in mammals? Offer two examples of a hormonal feedback patternarrow_forwardFish produce a hormone called isotocin, a hormone that is similar to oxytocin in mammals. Both hormones, oxytocin and isotocin, have been linked to social behaviors including the suppression of social anxiety, trust, and attachment. Prior to this study, the relationship between isotocin in the bloodstream and the amount of aggression or submission individual cichlid fish display was unknown. The researchers hypothesized that isotocin would suppress aggressive behaviors in cichlids to promote social cohesion as these fish exist in large social groups (schools). To address this hypothesis, each of 10 fish were exposed to two treatments, 1 week apart. One at a time, a fish was randomly selected from the group of 10 and either injected with a saline solution (that served as the control) or with isotocin. After this injection, the fish was returned to its group and the amount of aggressive and submissive behaviors the fish demonstrated was recorded for the next 10 minutes. One week later…arrow_forward
- Fish produce a hormone called isotocin, a hormone that is similar to oxytocin in mammals. Both hormones, oxytocin and isotocin, have been linked to social behaviors including the suppression of social anxiety, trust, and attachment. Prior to this study, the relationship between isotocin in the bloodstream and the amount of aggression or submission individual cichlid fish display was unknown. The researchers hypothesized that isotocin would suppress aggressive behaviors in cichlids to promote social cohesion as these fish exist in large social groups (schools). To address this hypothesis, each of 10 fish were exposed to two treatments, 1 week apart. One at a time, a fish was randomly selected from the group of 10 and either injected with a saline solution (that served as the control) or with isotocin. After this injection, the fish was returned to its group and the amount of aggressive and submissive behaviors the fish demonstrated was recorded for the next 10 minutes. One week later…arrow_forwardDo animals benefit their own biological fitness if they sacrifice food or a chance to breed and thereby allow their kin to have more offspring? Is such behavior true altruism? Why or why not?arrow_forwardin your own words: What is the importance of feedback systems in the control of hormonal output in mammals? Offer two examples of a hormonal feedback pattern, excluding the examples provided/mentioned in the module.arrow_forward
- Gorski et al (1978) studied early hormonal effects on sex differences in brain anatomy in rats. What specific area and feature did they study?arrow_forwardChemical communication is one of the most extensively used modes of insect communication. What role do pheromones play in insect behavior? Give two examples of each.pheromones, with the exception of sex pheromones, and offer an example of an insect other than bees that emits pheromonesuse a different pheromone for each type of pheromonearrow_forwardYoung sea turtles head for the ocean immediately after theyhatch. This behavior is most likelya. innate.b. learned through trial and error.c. classically conditioned.d. the result of habituation.arrow_forward
- Which research question does not refer to proximate causes of behavior? a.) How do rhesus macaques find their food? b.) how do pigeons that are experimentally displaced find their way back to their home loft? c.) How does dispersal affect the survival of Belding's ground squirrels? d.) Do mother goats learn the odor of their offspring? e.) How do hummingbirds “know” when it is time to return to their overwintering grounds?arrow_forward. Provide a specific example that suggests human behaviormay be influenced by pheromones.arrow_forwarddescribe evidence that human behavior is influenced by pheromones?arrow_forward
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