| A | B |
|---|
| Algae | plantlike unicellular or multicellular organisms, Protists |
| Antibiotic | A chemical that can stop the growth of some bacteria |
| Bacillus | a rod-shaped bacteria |
| Bacteria | microscopic, unicellular organisms that lack a nuclear membrane |
| binary fission | asexual reproduction method in ameba |
| Botulism | dangerous type of food poisoning caused by bacteria |
| Cilia | tiny hairlike projections, method of locomotion in Paramecia |
| Coccus | round-shaped bacteria |
| Conjugation | simple method of sexual reproduction |
| Contractile vacuole | pumps out excess water in ameba and paramecia |
| Decomposer | organisms that break down dead organisms, recyclers |
| Flagella | whiplike structures used for locomotion in one-celled organisms |
| Food vacuole | organ for digestion in one celled organisms |
| Fungi | multicellular organisms that lack roots, stems, leaves, and chlorophyll |
| Gullet | an opening through which food moves into the paramecium |
| Motile | able to move around |
| Sessile | not able to move around |
| Pathogen | any disease-causing organism |
| Pellicle | tough outer covering of the paramecium |
| Protozoa | microscopic, unicellular organisms |
| Pseudopods | protrusion of cytoplasm, "false feet", locomotion in ameba |
| Saprophytes | organisms that absorb & digest materials from dead organisms |
| Spirillum | spiral-shaped bacteria |
| Syphilis | a venereal disease |
| Venereal disease | STD, disease spread by sexual contact |
| Trichocysts | tiny poisonous hairs in the paramecium |
| Virus | genetic material inside a protein coat, may cause disease |
| Eukaryotes | cells with a distinct nucleus |
| Prokaryotes | cells without a distinct nucleus |
