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AP Biology, Chap. 1
Chapter 1 terms and importent names
Question | Answer |
---|---|
Define - biology | The scientific study of life. |
Name the 7 levels of biological organization | OrderEvolutionary AdaptationResponse to the EnvironmentRegulationEnergy ProcessingGrowth and DevelopmentReproduction |
Define - biosphere | The entire portion of Earth inhabited by life; the sum of all the planet's ecosystems. |
Define - ecosystems | All the organisms in a given area as well as the abiotic factors with which they interact; a community and its physical enviornment. |
Define - communities | All the organisms that inhabit a particlar area; an assemblage of populations of different species living close enough together for potential interaction. |
Define - population | A localized group of individuals that belong to the same biological species (that are capable of interbreeding and producing fertile offspring). |
Define - organisms | An individual living thing. |
Define - organ | A specialized center of body function composed of several different types of tissues. |
Define - organ system | A group of organs that work together in performing vital body functions |
Define - tissues | An intergrated group of cells with a common function, structure, or both. |
Define - cell | Life's fundamental unit of structure and function. |
Define - organelles | One of several formed bodies with specialized functions, suspended in the cytoplasm of eukaryotic cells. |
Define - molecules | Two or more atoms held together by covalent bonds. |
Define - producer | Plants and other photosynthetic organisms that convert light energy to chemical energy. |
Define - consumers | Organisms, such as animals, that feed on producers and other consumers. |
Define - deoxyribonucleic acid | A double-stranded, helical nucleic acid molecule capable of replicating and determining the inherited structure of a cell's proteins. |
Define - genes | A discrete unit of hereditary information consisting of a specific nucleotide sequence of DNA (or RNA, in some viruses). |
Define - genome | The complete complement of an organism's genes; an organism's genetic material. |
Define - eukaryotic cell | A type of cell with a membrane-enclosed organelles. Organisms with eukaryotic cells (protist, plants, fungi, and animals) are called eukaryotes. |
Define - prokaryotic cell | A type of cell lacking the membrane-enclosed nucleus and membrane-enclosed organells. Organisms with prokaryotic cells (bacteria and archaea) are called prokaryotes. |
Define - emergent properties | New properties that emerge with each step upward in the hierarchy of life, owing to the arrangement and interactions of parts as complexity increases. |
Define - reductionism | Reducing complex systems to simpler components that are more manageable to study. |