Which of the Following Statements About Sensory Systems Is False

question 94

Multiple Choice

Which of the following statements about sensory systems is false?

• A) Rattlesnakes have pit organs to detect infrared wavelengths.
• B) Cephalopod mollusks and vertebrates independently evolved image-forming eyes.
• C) Nocturnal animals have a high percentage of cones in their retinas, whereas diurnal animals have a high percentage of rods.
• D) Fish detect water movements with their lateral lines.
• E) Bats have small muscles in their ears that contract to dampen sounds when they are emitting calls.

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Definitions:

Contribution Margin

The amount of revenue remaining after subtracting the variable costs of producing a product, serving as an indicator of the product's profitability.

Variable Cost

Costs that change directly in proportion to changes in the volume of production or sales, such as raw materials and direct labor.

Contribution Margin

The amount by which a product's sales price exceeds its variable costs, indicating how much contributes to covering fixed costs and generating profit.

Machine Hour

A measurement of production time, counting one hour of operation of a machine or a piece of equipment for manufacturing purposes.