Disruptive Selection Maintains a Bimodal Distribution of Bill Size in the West

question 35

Multiple Choice

Disruptive selection maintains a bimodal distribution of bill size in the West African seedcracker because

• A) bills of intermediate shapes are difficult to form.
• B) the birds' two major food sources differ markedly in size and hardness.
• C) males use their large bills in displays.
• D) migrants introduce different bill sizes into the population each year.
• E) older birds need larger bills than younger birds.

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Definitions:

Yield Management Pricing

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Uniform Delivered Pricing

A pricing strategy where a company charges the same price to deliver a product anywhere in a specific geographical area.

Pricing Methods

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Seasonal Discounts

Price reductions offered during certain times of the year to stimulate sales during off-peak seasons.