Download A Closer Look at the Animal Kingdom (Introduction to Biology by Sherman Hollar PDF

By Sherman Hollar

Age diversity: eight - 12 Years

Table of Contents

Introduction 6

Chapter 1 the diversity of Animal lifestyles 12

Chapter 2 class and behaviour 33

Chapter three Animals with out Backbones 50

Chapter four Animals with Backbones 61

Conclusion 75

Glossary 77

For additional info 80

Bibliography 83

Index 84

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Extra resources for A Closer Look at the Animal Kingdom (Introduction to Biology - Britannica Digital Learning) (1st Edition)

Sample text

Of all the behaviors animals engage in, play is the least controversial in its suggestion of feelings of pleasure. Animal play has an unmistakable quality. The whole comportment of the participants exudes joie de vivre. Playing has an important role in survival. When animals and humans play games such as chasing, wrestling, or tug-of-war, they gain or maintain physical strength and learn important survival skills or proper social behavior. This is probably why play is more prevalent in younger animals: they are growing and have more to learn.

17 Although these arguments create a convincing foundation for animal pleasure—that it may benefit survival, that if humans experience pleasure, other animals are likely to as well, and that animals share with humans the physical and physiological equipment to feel bad (and by analogy, good) things—they support the idea without actually demonstrating it. They do not prove outright that animal pleasure exists. However, I cannot prove outright that even you feel pain or pleasure; this is the privacy of sensory experience.

That human languages contain rich vocabularies for describing good feelings—happiness, delight, surprise, anticipation, pride, satisfaction, joy, elation, ecstasy, thrill, euphoria, exultation, jubilation, excitement, rapture, fulfillment, gratification, and comfort, among others—attests to the diversity of both physical and emotional pleasures that can be felt by humans. Our knowledge and acceptance of these sensory phenomena in one species provide a firm foundation for their existence in others.

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