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Biology Quiz: Sexual Selection and Natural Selection

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Biology Quiz: Sexual Selection and Natural Selection

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Questions and Answers

What is the primary mechanism driving sexual selection?

Mutation leading to changes in reproductive behavior

Genetic drift influencing mating preferences

Natural selection acting on traits affecting mate attraction (correct)

Artificial selection by humans

Who conducted a study on the energetic investment in gametes by females versus males in various animals?

Charles Darwin and Gregor Mendel

Jane Goodall and Dian Fossey

April Hayward and James Gillooly (correct)

Stephen Jay Gould and Richard Dawkins

How much more energy does a typical female devote to egg production compared to basal metabolism during the breeding season?

Twice the energy

Three times the energy (correct)

Equal amount

Five times the energy

What is the total expenditure on ejaculates for a typical male, including seminal fluid, compared to his energy spent on basal metabolism?

Four thousandths the energy Signup and view all the answers

When eggs are more expensive than ejaculates, what factors limit lifetime reproductive success?

Factors favoring females Signup and view all the answers

What is the key difference between male and female reproductive strategies in terms of energy investment?

Females invest more energy in gamete production Signup and view all the answers

What type of mating pattern occurs when females choose mates based on their display characteristics?

Assortative mating Signup and view all the answers

In the study by Lynda Delph and colleagues, what type of plants were surveyed to test the attractiveness of male flowers?

Animal-pollinated plants Signup and view all the answers

What is the primary goal of sexual selection?

Reproductive success Signup and view all the answers

What is the purpose of courtship behaviors in animals?

To communicate readiness for mating Signup and view all the answers

What type of characteristic is a lion's mane?

Secondary sexual characteristic Signup and view all the answers

What is the significance of female choice in sexual selection?

It drives the evolution of male traits Signup and view all the answers