The Molecular Clock Has Limited Usefulness for Estimating Divergence Times

question 32

Multiple Choice

The molecular clock has limited usefulness for estimating divergence times among species because of

• A)the saturation of DNA sequences.
• B)the variation in substitution rate between lineages and loci.
• C)small population sizes.
• D)A and B
• E)All of the above

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Definitions:

Demand Curve

This represents the inverse relationship between price and demand, illustrating how demand varies with changes in price.

Supply Curve

A visual depiction that shows how the supply quantity of a product or service relates to its price over a specified time frame.

Producer Surplus

The difference between what producers are willing to accept for a good or service versus what they actually receive, usually measured above supply curve.

Binding Price Ceiling

A government-imposed maximum price that is set below the equilibrium price, resulting in a shortage of the good or service.