Chapter 39.3, Problem 1CC

Summary Introduction

To determine:

The reason that mother greylag goose will retrieve a ball that was replaced in place of her egg that rolls out of the nest.

Introduction:

Fixed action pattern is the pattern followed by the animals that is an example of behavior by the instincts. For example, in case of the male stickleback fish that has red belly, attack anything that has red color because they assume that the other organism or object is another male due to the color red.