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Apologia Bio Mod 2

Definitions for Apologia Biology - Module #2 (2nd Edition)

TermDefinition
pathogen an organism that causes disease
saprophyte an organism that feeds on dead matter
parasite an organism that feeds on a living host
aerobic organism an organism that requires oxygen
anaerobic organism an organism that does not require oxygen
steady state a state in which members of a population die as quickly as new members are born
exponential growth population growth that is unhindered because of the abundance of resources for an ever-increasing population
logistic growth population growth that is controlled by limited resources
conjugation a temporary union of two organisms for the purpose of DNA transfer
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
transformation the transfer of a DNA segment from a nonfunctional donor cell to that of a functional recipient cell
transduction the process in which infection by a virus results in DNA being transferred from one bacterium to another
endospore the DNA and other essential parts of a bacterium coated with several hard layers
strains organisms from the same species that have markedly different traits
Created by: SweetPeaMcD
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