Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332



Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332
Textbook Problem

Eusocial insects all ________

  1. a. have sterile male and female workers
  2. b. are members of the Hymenoptera
  3. c. have a reproductive division of labor
  4. d. have haploid males and diploid females

Summary Introduction

Concept introduction: Altruism is a process when an organism behaves in a way that benefits others instead of being harmed or risking oneself. Eusocial animals are organisms that live in a multigenerational family group with a reproductive division of labor. The only way to develop the altruistic behavior is through kin selection.


Reasons for the correct statements:

Eusocial animals are the colonial groups that live in multi-generational family groups where the sterile individuals will work for the reproductive success of others.

Option c. is given as “have reproductive division of labor”. These insects usually have the separate division of workers who help in other reproduction. Hence, option c. is the correct answer.

Reasons for the incorrect statement:

Option a. is given as “have sterile male and female workers”. In these kinds of insects, most of the workers will be sterile females not males. Males are sterile and mostly involved only in mating...

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