Mating Systems & Parental Investment

Table of Contents

Mating Systems & Parental Investment

Disclaimer & Copyright Warning

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Mating Systems & Parental Care

Greek Terms

Parental Investment

Consequences of Anisogamy

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Mating Systems

Having One Mate

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Having Many Mates

Polygyny: One Male, Many Females

Resource-Defense Polygyny

Lek Polygyny

Harem-Defense Polygyny

Male Dominance Polygyny

Scramble Competition Polygyny

Polyandry: One Female, Many Males

Promiscuity

Polygynandry in Elephants

Ecology and Mating Systems

Ecological Factors

Parental Investment

Types of Investment

Physiological Cost

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Care at the Nest

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Defense of Young

Opportunities Foregone

Which Sex Should Invest?

Investment Strategies

Conflict

Competition

Calculating Decisions

Parent-Offspring Conflict

Trivers’ Model

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Siblicide

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Email: mrenner@wcupa.edu

Home Page: http://courses.wcupa.edu/renner/psy335

Other information:
This material is not a substitute for class attendance or taking good notes. It is a support for other study methods, not a replacement!