D. the candy bar; relative-age dating
2. Although Darwin did not know about genes, he could see that animals of the same species who had slight
variations that helped them to survive longer could produce more offspring than animals who were not as
well equipped. Which of the following could be an example of a variation that would help a group of animals
survive?
black bears in a region that was always covered with snow
b. turtles with long necks on an island where the food source was elevated
c. choosing a cat to take home from an animal shelter
nlanting a certain kind of flower to attract butterflies
a.

1. the responsibilities of the u. s. federal reserve system include overseeing the banking system and regulating the quantity of money in the economy setting the level of real interest rates working with congress to devise a financial plan for the country and execute the president's orders calculating and reporting the unemployment rate 2. to increase the supply of money when the economy is weak, the fed closes banks reduces inflation sells bonds buys bonds 3. the federal funds rate is the short-term interest rate that banks charge their best customers when borrowing banks earn on savings accounts with the fed banks charge each other when borrowing or lending to each other the fed charges banks when borrowing 4. when the fed increases the money supply and consequently lowers interest rates, the value of the dollar will rise by more in the market for foreign exchange, all else equal will fall, all else equal is not impacted by fed policy will rise, all else equal