A Complex Adaptation Like the Human Eye Exists in Its

question 53

Multiple Choice

A complex adaptation like the human eye exists in its present form because

• A) past organisms evolved and utilized a transitional form of the modern eye.
• B) extreme forms of variation allowed it to evolve in a single jump.
• C) it was created by a chance mutation.
• D) many organisms have eyes.

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Definitions:

Demand

The desire and ability of consumers to purchase goods and services at given prices.

Perfectly Elastic

Describes a situation in economics where the demand or supply for a product can vary infinitely with a small change in price.

Inelastic

A situation in which the demand for a product does not increase or decrease correspondingly with a fall or rise in its price.

Perfectly Elastic

Describes a situation where the quantity demanded or supplied changes infinitely in response to any change in price.