Promiscuity

Monogamy

Polygamy

Polygyny

Resource Polygyny

Female Defense Polygyny

Lek

Polyandry

Resource Defense Polyandry

Sexual Selection

Two Components:

Courtship

Functions:

Sexual Dimorphism
in
polygyny
polyandry
promiscuity

Parental Care

polygyny
monogamy

Environmental Potential for Polygamy

Case Study Redwing Blackbirds in Marshes

Case Study of two Dragonfly species

Case Study Antelope: dik dik and impalas