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Apologia Biology M2

Vocabulary for Module 2 Exploring Creation with Biology

QuestionAnswer
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)
Created by: ngio64