Which of these describes how traits are shown on a branching tree diagram? 1. the traits on the tree developed in organisms in random order. 2. all the traits on the tree developed at the same time. 3. traits lower on the tree developed before traits higher on the tree. 4. traits higher on the tree developed before traits lower on the tree.

Which of the following is true? a. under the current unemployment insurance system, benefits replace about 90 percent of the typical worker's prior pretax earnings. b. high benefit payments to unemployed workers will tend to increase the rate of unemployment. c. if a system of personal savings accounts replaced the current unemployment benefit system, the unemployment rate would fall to zero. d. the rate of unemployment in the large european economies has been persistently lower than that of the united states due to their more generous unemployment benefits.