Producers are autotrophic. that is, they are able to feed themselves by converting carbon dioxide from the air and light energy from the sun into food.

consumers and decomposers are heterotrophic. this means that these organisms must obtain their food by eating other organisms or organic matter.

the relationships among producers, consumers, and decomposers carrying out either autotrophic or heterotrophic nutrition are identified through

a.
food webs.
b.
the periodic table.
c.
feedback mechanisms.
d.
punnett squares.

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.