Isolated Songbirds Will Sing a More Correct Song If They

question 15

Multiple Choice

Isolated songbirds will sing a more correct song if they

• A)are never removed from isolation.
• B)listen to their own species' song within a particular time period.
• C)listen to other species' songs.
• D)are punished for not singing a complicated song.
• E)are given an adult tutor.

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Definitions:

Marginal Utility

The additional satisfaction or utility that one receives from consuming one more unit of a good or service.

Donut

A fried dough confection or dessert food, usually ring-shaped or without a hole and filled with various sweet fillings or toppings.

Total Utility

The total satisfaction or benefit received from consuming a particular quantity of a good or service.

Donuts

A sweet, fried or baked pastry, often circular with a hole in the middle, available in various flavors and toppings.