If the Demand Curve for a Product Is Vertical, Then

question 1

Multiple Choice

If the demand curve for a product is vertical, then what is the elasticity of demand?

• A) equal to zero
• B) equal to one
• C) greater than one, but less than infinity
• D) equal to infinity

Identify the characteristics and ecological importance of keystone species.

Grasp the implications of human actions on species distribution and community structure.

Understand the relationship between habitat complexity and species diversity.

Analyze the effects of environmental stress on species diversity.

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