Examine the Evolutionary Tree

question 43

Multiple Choice

Examine the evolutionary tree.The horizontal axis of the cladogram depicted below is a timeline that extends from 100,000 years ago to the present;the vertical axis represents nothing in particular.The labeled branch points on the tree (V-Z) represent various common ancestors.Let's say that only since 50,000 years ago has there been enough variation between the lineages depicted here to separate them into distinct species,and only the tips of the lineages on this tree represent distinct species.

-Which pair would probably have agreed with the process that is depicted by this tree?

• A)Cuvier and Lamarck
• B)Lamarck and Wallace
• C)Aristotle and Lyell
• D)Wallace and Linnaeus

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Definitions:

Deadweight Loss

A loss of economic efficiency that can occur when the equilibrium for a good or service is not achieved or is not achievable.

Total Surplus

The sum of consumer and producer surplus, representing the total net benefit to society from the production and consumption of a good or service.

Quantity Supplied

The total amount of a product or service that producers are willing and able to sell at a specific price over a given period of time.

Quantity Demanded

The amount of a good or service that consumers are willing and able to purchase at a given price.