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Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892

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BuyFindarrow_forward

Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892
Textbook Problem

Why do fecundity and the amount of parental care devoted to each offspring exhibit an inverse relationship?

Summary Introduction

To review:

The reason behind the fecundity rate and the amount of parental care devoted to each offspring exhibiting an inverse relationship.

Introduction:

Demography can be studied through the analysis of demographic data by using the life table and the survivorship curve of an individual in a population. The life table summarizes statistics about the age-specific survivorship rate, the age-specific fecundity rate, and the age-specific mortality rate.

Explanation

Age-specific fecundity can be defined as the average number of offsprings produced by females that survived during each age interval. In humans, the fecundity rate is highest at the intermediate age as the younger age and the older individuals exhibit a low reproductive rate.

The fecundity rate and the amount of parental care devoted to each offspring exhibit an inverse relationship as the organisms that produce fewer offsprings like humans can devote their maximum time and energy to each offspring...

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