Biology: Concepts and Investigations
Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Chapter 36, Problem 7WIO
Summary Introduction

To determine:

The types of behaviors that are favored by natural selection in cuckoo and cowbirds and in the adoptive parents.

Concept introduction:

The process by which an organism that is better adopted according to the environment is liable and tend to live and can produce their offspring’s. This is the statement of natural selection theory. This theory was given by Charles Darwin. In the present days it is considered to be the main reason for the evolution.

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Nursing bees take care of the queen and newly hatched bees. However, nursing bees themselves do not reproduce. How could natural selection act upon such behavior? Because this behavior does not directly benefit the nursing bee itself, it is not favored by natural selection. Because this behavior increases the number of surviving offspring that share genes with the nursing bee, it is favored by natural selection. Because this behavior selectively decreases the number of offspring harboring non-similar genes with the nursing bee, it is favored by natural selection. Because this behavior does not increase the number of surviving offspring that are identical in genes with the nursing bee, it is not favored by natural selection.
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