| A | B |
|---|
| yeast | type of fungus that respires anaerobically |
| saprophytic | organism that lives off dead matter |
| pathogen | disease causing microorganism |
| parasites | live off living organims |
| binary fission | type of reproduction used by bacteria |
| cocci, baccillus and spirillum | different shapes of bacteria |
| exponential growth | rapid increase in number |
| Hair like projections found on bacteria | flagella |
| substance which breaks down food | enzymes |
| temperature at which micro organisms best survive and reproduce | 30 to 40 degrees celsius |
| temperature at which bacteria stay alive but are not growing | below zero degrees |
| temperature at which bacteria are killed | 100 degrees celsius |
| 2 factors that result in bacteria numbers stabilising and declining over a period of time | run out of food and poisoned by waste |
| type of feeding fungi have | extracellular |
| type of feeding bacteria have | extracellular |
| Medium in which bacteria AND fungi can be cultured | agar |
| medium in which virus can be cultured | living cells (e.g. fertilised hen egg) |
| nitrogen fixing bacteria | found in the root nodules of legumes |
| denitrifying bacteria | change nitrate back into nitrogen |
| saprophytic bacteria | break down protein to form ammonia |
