Centipedes and Insects

question 116

Multiple Choice

Centipedes and insects

• A) are derived from a common ancestor.
• B) have identical Ubx genes.
• C) require expression of the Dll gene for legs to form.
• D) both grow legs from their abdominal segments.
• E) both grow legs only on their thoracic segments.

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Definitions:

Short-Run Supply Curve

A graphical representation showing the quantity of goods a firm is willing to produce and sell at different price levels in the short term.

Marginal Cost

The expenditure required to produce one more unit of a product or service.

Average Variable Cost

The variable cost per unit of output, calculated by dividing total variable costs by the quantity of output produced.

Competitive Price-Taker

A market situation where firms or individuals have no ability to influence the market price of goods or services and must accept the prevailing prices set by supply and demand forces.