A ________ is a normal defense mechanism meant to combatpathogen infection in a variety of ways.
| a. | blister |
| b. | snotty nose |
| c. | fever |
Vascular tissue allows plants to ________.
| a. | grow much bigger and taller |
| b. | allows reproduce without water |
| c. | survive without roots |
Prokaryotes are used to ________ in the case of processingmilk.
| a. | facilitate product transport |
| b. | preserve nutrients |
| c. | prevent spoilage |
