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Bio 1
Chapter 1
| Term | Definition |
|---|---|
| Biology | The scientific study of life |
| Life | The set of common characteristics that distinguish living organisms from non-living matter. |
| Properties of Life | Order, regulation, growth and development, energy utilization, response to the environment and the capacity to evolve over time |
| Biosphere | The global ecosystem; the entire portion of Earth inhabited by life; all of life and where it lives |
| Ecosystem | All the organisms in a given area, along with the nonliving (abiotic) factors with which they interact; a biological community and its physical environment |
| Prokaryotic Cell | A type of cell lacking a nucleus and other organelles, found only in the the domains bacteria and archaea |
| Eukaryotic Cell | A type of cell that has a membrane-enclosed nucleus and other membrane-enclosed organelles. All organisms are composed of this except bacteria and archaea |
| Genes | A unit of inheritance in DNA (or RNA in some viruses) consisting of a specific nucleotide sequence that programs the amino acid sequence of a polypeptide |
| Natural Selection | A process in which organisms with certain inherited characteristics are more likely to survive and reproduce than are organisms with other characteristics |
| Science | Any method of learning about the natural world that follows the scientific method |
| Discovery Science | The process of scientific inquiry that focuses on using observations to describe nature. |
| Scientific Method | Scientific investigation involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to demonstrate the truth or falseness of the hypothesis and results that validate or modify the hypothesis |
| Hypothesis-Driven Science | The process of scientific inquiry that uses the steps of the scientific method to answer questions about nature |
| Hypothesis | A tentative explanation that a scientist proposes for a specific phenomenon that has been observed. |
| Controlled Experiment | A component of the process of science whereby a scientist carries out two parallel tests, an experimental test and a control test. |
| Theory | A widely accepted explanatory idea that is broad in scope and supported by a large body of evidence. |
Created by:
utscha
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