Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
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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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Anurans
Most anurans breed in water and rainfall stimulates breeding in many species. Ponds may attract aggregations of anurans during breeding season and males usually are the first to arrive. In most cases, females are attracted by vocalizations by males (see beginning of our lab manual).
1) This display is called “semaphoring”. Why was this behavioral adaptation necessary for this particular frog species?
Most anurans breed in water and rainfall stimulates breeding in many species. Ponds may attract aggregations of anurans during breeding season and males usually are the first to arrive. In most cases, females are attracted by vocalizations by males.
Sometimes, vocalization isn’t sufficient
Q20: This display is called “semaphoring”. Why was this behavioral adaptation necessary for this particular frog species? (please type the answer and asnwer all the parts to this question)
Nerve-like signals in animals are thousands of timesfaster than their plant counterparts. Suggest a behavioralreason for the difference.
Chapter 43 Solutions
Biology: The Unity and Diversity of Life
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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