Extinctions, Such as the Extinction of the Heath Hen on Martha's

question 124

Multiple Choice

Extinctions, such as the extinction of the heath hen on Martha's Vineyard, Massachusetts, occur at the population or species level.But factors at other levels can be instrumental in causing an extinction.Which factor in the heath hens' extinction operated at the community level of diversity rather than the population level?

• A) Fire
• B) Hard winter
• C) Influx of predators
• D) Poultry disease
• E) Demographic stochasticity

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Definitions:

Diseconomies of Scale

Occur when a firm's costs per unit increase as its output increases, opposite to economies of scale.

Production Costs

The total expense incurred in manufacturing a product or providing a service, including labor, materials, and overhead expenses.

Car Leasing Company

A business that rents vehicles to customers for a specified period of time, often as an alternative to purchasing.

Marginal Product

The additional output generated by adding one more unit of a specific input, holding all other inputs constant.