In what way do qualitative and quantitative descriptions complement each other? Give a real-world example of how the use of both helps us understand nature.

The negative impacts of nonnative species generally outweigh the positive impacts

There are only about 250,000 known fossil species. true or false

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.