Why Is the Discovery of the Fossil Archaeopteryx Significant? It

question 47

Multiple Choice

Why is the discovery of the fossil Archaeopteryx significant? It supports the

• A) phylogenetic relatedness of birds and reptiles.
• B) contention that birds are much older than we originally thought.
• C) claim that some dinosaurs had feathers well before birds had evolved.
• D) idea that the first birds were ratites.
• E) hypothesis that the earliest birds were ectothermic.

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Definitions:

Marginal Revenue

The increase in revenue that results from the sale of one additional unit of output.

Price Elasticity

A gauge for assessing how changes in price affect the supply or demand volumes of a product.

Demand Curve

A visual chart that illustrates the connection between a product's price and how much of it consumers want to buy.

Price Cut

A reduction in the selling price of goods or services, often to attract more customers or boost sales.