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Which Group of Organisms Has the Greatest Percentage of Species

question 64

Multiple Choice

Which group of organisms has the greatest percentage of species in danger of extinction, according to the International Union for Conservation of Nature (IUCN) ?


Definitions:

Complements

Goods or services that are used together, where the use of one increases the demand for the other.

Income Elasticity of Demand

A measure of how much the quantity demanded of a good responds to a change in consumers' income, holding all other factors constant.

Inferior Good

An inferior good is a type of good whose demand decreases when consumer income rises, unlike normal goods, where demand increases with rising consumer income.

Normal Good

A type of good for which demand increases when income increases, and vice versa, displaying a positive correlation between income and demand.

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