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Microbiology
| Term | Definition |
|---|---|
| Fungi | One of the six kingdoms of life. Fungi are multicellular, heterotrophic eukaryotes. Examples of fungi are mushrooms and yeast. |
| Parasite | An organism that lives in or on another organism (its host) and takes nutrients from it. Examples include tape worms and hook worms. |
| Exponential Growth | Growth pattern where a population grows faster as it increases in size; graph of an exponentially growing population resembles a J-shaped curve. |
| Density Dependent Factor | Limiting factors such as disease, parasites, or food availability that affect growth of a population. |
| Density Independent Factor | Limiting factors such as temperature, storms, floods, drought, or habitat disruption that affects all populations, regardless of their density. |
| Prokaryote | A type of cell. These cells are simple and small, and have non membrane-bound organelles, like a nucleus. They are unicellular, and are only found in bacteria. |
| Eukaryote | A type of cell found in everything except bacteria. These cells are large and complex, and have membrane-bound organelles like a nucleus. Many eukaryotes are multicellular. |
| Bacteria | Organisms found in one of two kingdoms of life. Bacteria are unicellular prokaryotes. Some are pathogens, but many bacteria are beneficial. Good bacteria help treat our waste water, help us digest our food, and help us produce antibiotics. |
| Virus | A disease-causing, nonliving particle composed of an inner core of nucleic acid (DNA or RNA) surrounded by a protein coat. Viruses reproduce inside of living cells, called host cells. |
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