Compare the Evolution of Bipedalism, Dentition, and Brain Size, and the Conclusion

question 2

Multiple Choice

Compare the evolution of bipedalism, dentition, and brain size, and the conclusion is that

• A) bipedalism changed earliest, but in steps
• B) bipedalism and dentition changed together and in one single event
• C) they all evolved at different times and as separate events
• D) bipedalism and dentition evolved independently, but as single events; brain size was an ongoing process

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Definitions:

Lump-Sum Tax

A tax that is a fixed amount, not dependent on the taxpayer's income level or economic transactions.

Deadweight Loss

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

Vertical Equity

The principle that taxpayers with higher incomes should pay more in taxes than those with lower incomes.

Marginal Tax Rate

The rate at which the last dollar of a taxpayer's income is taxed, indicating the percentage of additional income that is paid in tax.