BIOL 1610 STUDY GUIDE CHAPTER 1 (KEY TERMS) - Sheet1 Page 1...

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Unformatted text preview: Sheet1 Page 1 Chapter 1 adaptation (1) An evolutionary modification that improves an organism¡ s chances of survival and reproductive success. (2) A decline in t archaea Prokaryotic organisms with a number of features, such as the absence of peptidoglycan in their cell walls, that set them apart asexual reproduction Reproduction in which there is no fusion of gametes and in which the genetic makeup of parent and of offspring is usually iden atom The smallest quantity of an element that retains the chemical properties of that element. autotroph An organism that synthesizes complex organic compounds from simple inorganic raw materials bacteria Prokaryotic organisms that have peptidoglycan in their cell walls binomial system of nomenclature System of naming a species by the combination of the genus name and a specific epithet. biosphere All of Earth“s living organisms, collectively. cell The basic structural and functional unit of life, which consists of living material enclosed by a membrane. cell signaling Mechanisms of communication between cells. Cells signal one another with secreted signaling molecules, or a signaling mole cell theory The theory that the cell is the basic unit of life, of which all living things are composed, and that all cells are derived from pre-e cellular respiration See respiration. cilium (pl., cilia) One of many short, hairlike structures that project from the surface of some eukaryotic cells and are used for locomotion or mo class A taxonomic category made up of related orders. community An association of populations of different species living together in a defined habitat with some degree of interdependence. C consumer See heterotroph. control group In a scientific experiment, a group in which the experimental variable is kept constant. The control provides a standard of com decomposers Microbial heterotrophs that break down dead organic material and use the decomposition products as a source of energy. Als deductive reasoning The reasoning that operates from generalities to specifics and can make relationships among data more apparent. Compare w deoxyribonucleic acid (DNA) Double-stranded nucleic acid development All the progressive changes that take place throughout the life of an organism. All the progressive changes that take place throughout the life of an organism....
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This note was uploaded on 03/05/2010 for the course BIOL 1610 taught by Professor Jimblevins during the Spring '10 term at Salt Lake Community College.

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BIOL 1610 STUDY GUIDE CHAPTER 1 (KEY TERMS) - Sheet1 Page 1...

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