Apologia Biology 2nd Edition Mod. 2 Vocabulary Words
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14 terms
Terms | Definitions |
|---|---|
 An organism that causes disease | Pathogen |
| An organism that feeds on dead matter | Saprophyte |
| An organism that feeds on a living host | Parasite |
| An organism that requires oxygen | Aerobic organism |
| An organism that does not require oxygen | Anaerobic organism |
| A state in which members of a population die as quickly as new members are born | Steady state |
| Population growth that is unhindered because of the abundance of resources for an ever-increasing population | Exponential growth |
| Population growth that is controlled by limited resources | Logistic growth |
| A temporary union of two organisms for the purpose of DNA transfer | Conjugation |
| A small, circular section of extra DNA that confers one or more traits to a bacterium and can be reproduced separately from the main bacterial genetic code | Plasmid |
| The transfer of a DNA segment from a nonfunctional donor cell to that of a functional recipient cell | Transformation |
| The process in which infection by a virus results in DNA being transferred from one bacterium to another | Transduction |
| The DNA and other essential parts of a bacterium coated with several hard layers | Endospore |
| Organisms within the same species with markedly different traits | Strains |
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