A scientist added bacteria and a nutrient medium that could support the growth of the bacteria to a sterilized petri dish. No ot
her materials were added. The graph models growth of the bacteria over time.
Bacterial Population
Time
Which of these most likely explains why the bacterial population stopped growing?
The bacteria mutated from photosynthetic to carnivorous organisms and consumed one another until all the individuals were dead.
The bacteria reproduced in the system but eventually died due to limited resources
The bacteria became diseased and were unable to survive in the closed system
The bacteria competed for nutrients and died after all the nutrients were consumed
Unemployment, interest rates, inflation, GDP, all fall into Macroeconomics. Consumer equilibrium, individual income and savings are examples of microeconomics.