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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332

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BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332
Textbook Problem
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In most _______, males and females cooperate in care of the young.

  1. a. mammals
  2. b. birds
  3. c. fishes
  4. d. all of the above

Summary Introduction

Concept introduction: Parental behavior mainly depends on how much time and energy the parent organisms spend to raise their offspring. This depends on environmental stability, lifespan, predation risks, and size of the population. Most organisms, both male and female, cooperate in caring the individuals.

Explanation

Reasons for correct statement:

Parental care mainly arises if the genetic drift for providing care is taken for a concern. This can be done by both male and female or either by male or by female.

Option b. is given as “birds”. The mating pair of the birds equally contributes themselves for caring and guarding their offspring. After the eggs have been laid, not only does the female bird incubate them, they also sit on the eggs to maintain the temperature. But the male parent stands on the eggs to protect and incubate them. Hence, option b. is the correct answer...

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