| A | B |
| Antoni van Leeuwenhoek | Created a magnifying lens in the 1670's that was strong enough to see the microscopic world |
| Monera | Members of this kingdom represent the smallest organisms on earth |
| Bacterium | The singular form of bacteria |
| Pathogen | An organism that causes disease |
| Clostridium Botulinum | A pathogen that is one of the causes of food posining |
| Salmonella | Common contaminants of eggs and poultry. |
| Salt and refrigeration | Used to reduce the growth and reproduction os bacteria |
| Dehydrated food | Food that has had most of the water removed thus reducing the growth and reproduction of bacteria. |
| Protista | Most organisms in this kingdom can be seen only with the aid of a microscope. |
| Eukaryotic Cells | Most members of the Protista kingdom are made of these. |
| Protista Cells | Members of the Monera kingdom are made of these. |
| Protozoa and Algae | The kingdom Protista is split into these two groups |
| Moisture | Organisms intros kingdom need this in order to live |
| Entamoeba histolytica | An example of a protozoan that cause dysentery, spread through contaminated water producing severe diarrhea, intestinal cramping, fever and vomiting. |
| Amoeba | Organism in the kingdom Protista with no defined shape |
| Euglena | Organism in the kingdom Protista typically smaller than an amoeba and move with a tail called a flagellum. |
| Paramecium | Organism in the kingdom Protista that is the largest protozoa and move by beating "hairs" called cilia. |
| Plasmodium | Organism in the kingdom Protista which cause the disease called malaria. Usually transmitted through mosquito bites. |
| Diatom | Organism in the kingdom Protista which are responsible for photsynhesis |
| Kelp | Organism in the kingdom Protista commonly called seaweed and it is not a plant |
| Red algae | Organism in the kingdom Protista that is another form of seaweed and unlike most plants that are green due to photosynthesis, is red. |