Here is a portion of the geologic time scale. Geologic time scale.jpgThe era labelled “A” is called the ________________? Spelling counts. [BLANK-1]

tree of life.jpgWhich discipline of biology studies the organization of life and put together the classification shown above?

plant types.jpgWhich of the following should take the place of the letter A in this diagram?

Part III. Bonus Question (7 points).

Click on the center of the taxonomic group (circle) with the most named species.

Geologic time scale c.jpgThe boundary between several periods is marked by a red arrow. The red arrow represents an important type of event in the history or life. True or False: These events (marked by the arrows) is often followed by a great increase in the number of species with a shift in species dominance.

The principle of superposition states that: A) The total force is equal to the product of individual forces.B) The electric field at a point is the vector sum of fields from all charges.C) Forces cancel each other in opposite directions.D) Electric fields are scalars and can be added algebraically.

b) You parents will retire in 18 years. They currently have $250,000, and they think they will need $1 million at retirement. What annual interest rate must they earn to reach their goal, assuming they don’t save any additional funds? (3’)

Part I. Multiple Choices. (2.5*10=25 points)

Assume that you won the Lotta Dough Lotto jackpot for $15 million. Further assume that you were offered a choice to receive the $15 million today, or receive it in equal installments of $1 million per year for 15 years. According to one of the principles of finance, which would you take?