| A | B |
|---|
| Whiplike structures used in movement by some bacteria | flagella |
| Bacteria that need oxygen to grow | aerobic bacteria |
| Rod-shaped bacteria | bacilli |
| Organisms that live in or on another organism and harm it | parasites |
| Substaces that contain dead or weakened bacteria that can no longer cause disease | vaccine |
| Asexual reproduction in bacteria | fission |
| Organisms that use the remains of dead plants and animals as food | saprobes |
| Bacteria that can manufacture food by photosynthesis | blue-green bacteria |
| cork-screwed bacteria | spirilla |
| small particles made up of a core of nucleic acid with a protein coat | viruses |
| structures that enable bacteria to survive harsh conditions | endospores |
| sphere-shaped bacteria | cocci |
| organisms that only survive where there is no oxygen | anaerobic bacteria |
| organisms that have the simplest cell structure | monerans |
