If the Demand for Ptyalin Is Unit Elastic, Then

question 87

Multiple Choice

If the demand for ptyalin is unit elastic, then

• A)total revenue decreases as quantity demanded increases
• B)total revenue increases as quantity demanded increases
• C)total revenue increases as price increases
• D)total revenue remains constant as price increases
• E)total revenue decreases as price increases

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Definitions:

Homoplasic Traits

Homoplasic traits are similar features in organisms that evolved independently, not from a common ancestor, often due to convergent evolution or parallel evolution.

Homologous Traits

Features shared by two or more species inherited from a common ancestor.

Convergent Evolution

The phenomenon where unrelated species develop alike characteristics independently due to the need to adjust to comparable environments or ecological niches.

Sexual Selection

A mode of natural selection where individuals with certain inherited characteristics are more likely than others to obtain mates.