| A | B |
| virus | exists between life & death |
| examples of viruses | AIDS, Polio, Mumps, Rabies in animals |
| interferon | produces as body defense against virus |
| moneran | simple, one-celled organism with no nucleus |
| blue-green algae | cyanobacteria |
| aerobic bacteria | need oxygen |
| anaerobic bacteria | do not need oxygen |
| reproduce by fission | bacteria |
| pasteurization | heat food to just below boiling and cool quickly to kill bacteria |
| sterilization | kills all germs present |
| saprophyte | gets food from dead or decaying organisms |
| parasite | gets food & protection from a host |
| mutualism | both organisms benefit |
| algae | another name for protist |
| false feet | pseudopods |
| live in damp places, as forest floor | slime molds |
| molds, mushrooms, yeasts | examples of fungi |
| source of food for many sea animals | diatoms |
| resistant cell with thick wall that protects cell from harmful conditions | endospore |