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BIOL 101 Chp 1: Intro - Themes in the Study of Life Flashcards

This flashcard set includes the vocabulary words and definitions from Chp 1: Intro - Themes in the Study of Life (Biology 9E by Campbell et al, 2011).
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80298935evolutionthe change in the genetic composition of a population from generation to generation; descent with modification0
80298936biologythe scientific study of life1
80298937emergent propertya new feature that arises with each step upward in the hierarchy of life, owing to the arrangement and interactions of parts as complexity increases2
80298938atomthe smallest unit of matter that retains the properties of an element3
80298939moleculetwo or more atoms held together by covalent bonds4
80298940organelleany of several membrane-enclosed structures with specialized functions, suspended in the cytosol of eukaryotic cells5
80298941cellthe fundamental unit of structure and function of life6
80298942tissuean integrated group of cells with a common function, structure, or both7
80298943organa specialized center of body function composed of several different types of tissues8
80298944organ systema group of organs that work together in performing vital body functions9
80298945organismany individual living thing10
80298946populationa localized group of individuals of the same species that can interbreed, producing fertile offspring11
80298947communityall the organisms that inhabit a particular area12
80298948ecosystemall the organisms in a given area as well as the abiotic factors with which they interact13
80298949biospherethe entire portion of Earth inhabited by life, consisting of all of the planet's ecosystems14
80298950speciesa population or group of populations whose members have the potential to interbreed in nature and produce viable, fertile offspring, but do not produce viable, fertile offspring with members of other such groups15
80298951systems biologyan approach to studying biology that aims to model the dynamic behavior of whole biological systems16
80298952energythe capacity to cause change, especially to do work17
80298953eukaryotic cella type of cell with a membrane-enclosed nucleus and membrane-enclosed organelles18
80298954prokaryotic cella type of cell lacking a membrane-enclosed nucleus and membrane-enclosed organelles19
80298955DNAa double-stranded, helical nucleic acid molecule, consisting of nucleotide building blocks20
80298956genea discrete unit of hereditary information consisting of a specific nucleotide sequence in DNA21
80298957genomeall of the genetic material of an organism22
80298958double helixthe form of DNA referring to its two adjacent polynucleotide strands wound around an imaginary axis into a spiral shape23
80298959nucleotidethe building block of a nucleic acid, consisting of a five-carbon sugar covalently bonded to a nitrogenous base and a phosphate group24
80298960bioinformaticsthe use of computers, software, and mathematical models to process and integrate biological information from large data sets25
80298961negative feedbacka primary mechanism of homeostasis, whereby a change in a physiological variable triggers a response that counteracts the initial fluctuation26
80298962positive feedbacka physiological control mechanism in which a change in a variable triggers mechanisms that amplify the change27
80298963Bacteriaa domain that consists of the most diverse and widespread prokaryotes28
80298964Archaeaa domain that consists of prokaryotes living in extreme environments, such as salty lakes and boiling hot springs29
80298965Eukaryathe domain that includes all of the eukaryotic organisms30
80298966protistan informal term applied to any eukaryote that is not a plant, animal, or fungus; most are unicellular, though some are colonial or multicellular31
80298967Fungithe eukaryotic kingdom that includes organisms that absorb nutrients after decomposing organic material32
80298968Plantaethe kingdom that consists of multicellular eukaryotes that carry out photosynthesis33
80298969Animaliathe kingdom that consists of multicellular eukaryotes that ingest their food34
80298970natural selectiona process in which organisms with certain inherited characteristics are more likely to survive and reproduce than are organisms with other characteristics35
80298971adaptationan inherited characteristic of an organism that enhances its survival and reproduction in specific environments36
80298972inquirythe search for information and explanation, often focused by specific questions37
80298973discovery sciencethe process of scientific inquiry that focuses on describing nature38
80298974dataany recorded observation39
80298975qualitative dataconsists of recorded descriptions of observations in writing, photographs, and video40
80298976quantitative dataconsists of numerical measurements, often organized into tables and graphs41
80298977inductive reasoninga type of logic in which generalizations are based on a large number of specific observations42
80298978hypothesis based sciencethe process of scientific inquiry that focuses on explaining nature43
80298979hypothesisa tentative answer to a well-framed question, narrower in scope than a theory and subject to testing44
80298980deductive reasoninga type of logic in which specific results are predicted from a general premise45
80298981controlled experimentthis involves the comparison of an experimental group with a control group that varies only in the factor being tested46
80298982theoryan explanation that is broad in scope, generates new hypotheses, and is supported by a large body of evidence47
80298983modela representation of a theory or process48
80298984technologythe application of scientific knowledge for a specific purpose, often involving industry or commerce but also including uses in basic research49
80298985domaina taxonomic category above the kingdom level that includes the Archaea, Bacteria, and Eukarya50
1182784629sciencea way of knowing; an approach to understanding the natural world51
1182829534reductionisminvolves breaking down complex systems into simpler components that are more manageable to study52
1182829535global climate changea broad term that refers to changes in the earth's climate mostly as a result of changes in temperature and precipitation53
1182829536produceran organism that can make its own food54
1182829537consumeran organism that eats other organisms55
1182829538gene expressiona process by which the information in a gene directs the production of a cellular product56
1182829539genomicsstudy and comparison of genomes within a single species or among different species57
1182916086scientific methoda logical, systematic approach to the solution of a scientific problem58
1182921129experimental groupa subject or group of subjects in an experiment that is exposed to the factor or condition being tested59
1182921130control groupin an experiment, the group that is not exposed to the treatment; contrasts with the experimental group and serves as a comparison for evaluating the effect of the treatment60
1182929225model organisma particular species chosen for research into broad biological principles because it is representative of a larger group and usually easy to grow in a lab61

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