Apologia Biology Module 2 Edition 2

Vocabulary words from the book written by Dr. Wile: Apologia Biology.

28298318	Pathogen	An organism that causes disease.
28298319	Saprophyte	An organism that feeds on dead matter.
28298320	Parasite	an organism that feeds on a living host.
28298321	Aerobic Organism	An organism that requires oxygen.
28298322	Anaerobic Organism	An organism that does not require oxygen.
28298323	Steady State	A state in which members of a population die as quickly as new members are born.
28298324	Exponential Growth	Population growth that is unhindered because of the resources for an ever-increasing population.
28298325	Logistic Growth	Population growth that is controlled by limited resources.
28298326	Conjugation	A temporary union of two organisms for the purpose of DNA transfer.
28298327	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.
28298328	Transformation	The transfer of a DNA segment from a nonfunctional donor cell to that of a functional recipent cell.
28298329	Transduction	The process in which infection by a virus results in DNA being transferred from one bacterium to another.
28298330	Endospore	The DNA and other essential parts of a bacterium coated with several hard layers.
28298331	Strains	Organisms from the same species that have markedly different traits.