Which of the following correctly matches a phase of the digestive process with its description?

a. absorption; the physical and chemical breakdown of food into small molecules.

b. ingestion; the process of getting food into the opening of the digestive tract.

c. elimination; the movement of small molecules from the digestive tract into the blood.

d. digestion; undigested materials pass out of the body.

Consider the model of the oxygen cycle on earth. the majority of earth's oxygen reservoirs are found in the a) atmosphere. b) biosphere. c) hydrosphere. d) lithosphere.

Clara wrote the following hypothesis for an experiment about acidophilic bacteria. bacteria cells will stop dividing in a basic (alkaline) environment because of the high ph. which statement is the best way to restate the hypothesis so that it is more specific? growing acidophilic bacteria in some environments will cause the cells to stop dividing because of ph. if the ph of their environment is changed, acidophilic bacterial cell division will be affected. if the environment of acidophilic bacterial cells becomes alkaline, the bacteria will stop dividing. the more alkaline an environment, the less cell division will occur in bacteria.

What is the meaning of exocytosis ?