Which Gland Is Associated with a Well-Developed Light-Sensitive Organ, or "Third

question 342

Multiple Choice

Which gland is associated with a well-developed light-sensitive organ, or "third eye" found in certain fishes, frogs, and lizards and was once considered a useless remnant of evolution in humans?

• A)pineal
• B)thyroid
• C)adrenal
• D)pituitary

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Definitions:

Consumer Surplus

The gap between the price consumers are ready to pay for a good or service and the price they actually incur.

Marginal Revenue

The surplus revenue acquired from the sale of one more unit of a good or service.

Profit Maximizing Output

The level of production at which a firm achieves the highest possible profit, determined by the point where marginal cost equals marginal revenue.

Demand Curve

A graphic representation showing how the quantity demanded of a good or service varies with its price.