EBK BIOLOGY: CONCEPTS AND APPLICATIONS
9th Edition
ISBN: 8220100477805
Author: STARR
Publisher: CENGAGE L
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Question
Chapter 39, Problem 1SQ
Summary Introduction
Introduction:
The behavior of an individual animal can be determined by the genetic trait of an individual.
Expert Solution & Answer
Answer to Problem 1SQ
Correct answers:
Genes affect the behavior of individuals by the development of the nervous system, response towards a particular hormone and stimuli. Hence, the correct answer is option d.
Explanation of Solution
Reason for correct answers:
Option d. is given as “all of the above.”
Structure of the nervous system helps in detecting the particular types of stimuli and can modify the response of animals against that stimuli. Hormones work together with the nervous system and influence the behavior of an individual animal. Detection of particular stimuli by an individual animal can affect the genetic behavior of an animal.
Reason for incorrect answer:
Option a. is given as, “influencing the development of nervous systems.”
The nervous system, together with the hormonal system, determines the genetic behavior of an individual. Hence, option a. is incorrect.
Option b. is given as, “affecting how individuals respond to hormones.”
Hormones are the chemical messenger that affects the behavior of the individual. Nervous system and detection of particular stimuli also change the behavior of an individual. Hence, option b. is incorrect.
Option c. is given as. “determining which stimuli can be detected.”
Only a detection of particular stimuli alone cannot affect the genetic behavior of an individual. Hence, the option c. is incorrect.
Hence, the option a., b., and c. are incorrect.
Conclusion
Development of the nervous system, response towards a particular hormone and stimuli can affect the behavior of an individual animal. Thus, the correct option is d.
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