| A | B |
|---|
| pathogen | organism that causes disease |
| saprophyte | organism that feeds on dead matter |
| parasite | organism that feeds on living host |
| aerobic | oganism that requires oxygen |
| anaerobic | oganism that does not require oxygen |
| steady state | state in which members of the population dies as quickly as new members are born |
| exponential growth | unhindered population growth due to abundance of resources |
| logistic growth | population growth controlled by limited resources |
| conjugation | a temperary union of two organisms for the purpose of DNA transfer |
| plasmid | small circle of DNA that confers one or more traits to a bacterium that can be reproduced separatly from the main genetic code |
| transformation | transfer of DNA segment from a nonfunctional donor to a reciepient |
| transduction | process in which imfection by a virus results in DNA being transfered from one bacteria to another |
| endospore | DNA and other essential parts of a bacterium coated with several hard layers |
| strains | organisms from the same species that have marked different traits |
