'Multiple males' presentation slideshows

Chapter 5 Life History Strategies

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Reproduction: The evolution of sex and gender differences

Reproduction: The evolution of sex and gender differences. ZOL 313 June 5, 2008. Reproduction: The evolution of sex and gender differences. Objectives: Understand and be able to explain potential costs and benefits of sexual reproduction .

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Life history

Life history. Broodstock Spawning and care Fertilization methods Egg development and hatching Stages of development Methods of incubation Fry rearing Fingerling stage Growout stage Harvest, transport and processing. Life history considerations . Channel Catfish Broodfish

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1) Why do males often compete for access to females more than females compete for access to males

1) Why do males often compete for access to females more than females compete for access to males. A) males invest less in reproduction B) access to females limits male reproduction, but not the reverse C) both of the above. 2) Fisherian runaway. A) means that selection favors faster running

253 views • 5 slides