Kselection and r selection are two different types of which term

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis

How do living things obtain phosphorus