-The Table Above Is a Comparison of Several Characteristics of H.floresiensis

question 10

Multiple Choice

-The table above is a comparison of several characteristics of H.floresiensis to those of nine other hominin species (arranged roughly from oldest to most recent) .What do these data suggest?

• A)A large brain is not necessarily required for toolmaking.
• B)Body mass and braincase volume are completely unrelated.
• C)The African environment tends to depress braincase volume and body mass.
• D)Hominins first evolved in and then radiated out from Asia.
• H)floresiensis is most closely related to Australopithecus afarensis or A.africanus.

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Definitions:

Required Rate Of Return

The minimum annual percentage earnings needed from an investment to make it worthwhile, factoring in risk.

IRR

An investment's IRR represents the discount rate that makes the sum of all future cash flows (positive and negative) from the investment equal to zero, effectively measuring its annual growth rate.

NPV

Net Present Value; the difference between the present value of cash inflows and the present value of cash outflows over a period of time.

Payback

The length of time it takes for an investment to generate an amount of money equal to the cost of the investment, used as a basic measure of the investment's risk.