Which of the Following Examples Does Not Support the Trivers-Willard

question 23

Multiple Choice

Which of the following examples does not support the Trivers-Willard hypothesis?

• A) Gravid females of certain hymenoptera species can directly manipulate the sex of their offspring by fertilizing, or not, eggs before laying.
• B) Male sand gobies devour some offspring when density increases.
• C) Female Seychelles warblers adjust the balance of male and female chicks in broods.
• D) The bluestreak cleaner wrasse begins life as a female, but switches its sex to male when the benefits of being male outweigh those of being female.

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Definitions:

Fixed Costs

Expenses that do not change with the level of production or sales activities within a certain scale, such as rent, salaries, and insurance.

Variable Costs

are expenses that change in proportion to the activity of a business, such as sales volumes, including costs of goods sold and direct labor costs.

Selling Price

The actual price at which a product or service is sold to customers.

Labor Cost

The total amount of financial compensation, benefits, and taxes companies must pay for their employees' work.