Which event would be the result if populations of producers in an ecosystem became unstable? The energy flow into the food web would decrease or increase along with changing populations of producers.

The number of primary consumers would decrease dramatically.

Decomposers would become the primary energy source.

The direction of energy in the food web would change directions and flow toward the producers.

What is a difference between systemic and pulmonary circulation? a. systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body. b. systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. c. systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs. d. systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.