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Apologia Biology M2
Vocabulary for Module 2 Exploring Creation with Biology
Question | Answer |
---|---|
Pathogen (path' uh jen) | An organism that causes disease(37) |
Saprophyte (sap' roh fyte) | An organism that feeds on dead matter (41) |
Parasite (pehr' uh syte) | An organism that feeds on a living host (42) |
Aerobic (ehr oh' bik) organism | An organism that requires oxygen (42) |
Anaerobic (an uh ro' bik) organism | An organism that does not require oxygen (43) |
Steady state | A state in which members of a population die as quickly as new members are born (46) |
Exponential growth | Population growth that is unhindered because of the abundance of resources for an ever-increasing population. (47) |
Logistic growth | Population growth that is controlled by limited resources. (47) |
Conjugation | A temporary union of two organisms for the purpose of DNA transfer (48) |
Plasmid | 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. (48) |
Transformation | The transfer of a DNA segment from a nonfunctional donor cell to that of a functional recipient cell (49) |
Transduction | The process in which infection by a virus results in DNA being transferred from one bacterium to another (50) |
Endospore | The DNA and other essential parts of a bacterium coated with several hard layers (50) |
Strains | Organisms from the same species that have markedly different traits (58) |