The eubacteria and the archaebacteria
I believe to make the most the producers can implement the following;
They can work to decrease their marginal cost, they can raise prices to increase marginal revenue, they can also keep the marginal cost below marginal revenues. The producers are the suppliers of various goods and services in the market according to the demand of the consumers. They determine the amount of goods in the markets.
Answer: B. The crops and livestock are bigger and stronger, so they provide more food per square foot of land.
Explanation: Good luck! :D