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42 Cards in this Set
- Front
- Back
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adaptation
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organisms modification in structure, function or behavior suitable to the environment
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atom
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smallest particle of an element that displays properties of the element
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biodiversity
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Total number of species, the variability of their gene, and the communities in which they live
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biology
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Study of science
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biosphere
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Zone of air ,land and water at the surface of the earth in which living organisms are found
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Cell
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Smallest unit that displays the properties of life; always contains cytoplasm surrounded by a plasma membrane
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community
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Populations interacting with one another within the same environment
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conclusion
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Statement made following an experiment as to whether results support the hypothesis
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Control group
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Sample that goes through all the steps of an experiment but lacks the factor or is not exposed to the factor being tested a standard against which results of an experiment are checked
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Culture
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Total pattern of human behaviour includes technology and, arts and depends upon the capacity to speak and transmit knowledge
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Development
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Group of stages by which a zygote becomes an organism or by which an organism changes during its life span ;puberty and aging for example
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Data
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Acts or pieces of information collected through observation and/ or experimentation
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Domain
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the primary taxonomic group above the kingdom level all living organisms may be placed in one group
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ecosystem
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Biological community together with the associated abiotic environment; characterized by energy flow and chemical cycling
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Evolution
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Descent of organisms from common ancestors with the development and phenotypic changes over time that makes them more suitable to the environment
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Experiment
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Artificial situation devised to test a hypothesis
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Experimental variable
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Value expected to change as a result of an experiment ;represents the factor being tested by the experiment
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Extinction
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Total disappearance of a species or higher group
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Gene
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Unit of heredity existing as alleles on the chromosomes ; in diploid ,organisms typically two alleles are inherited,--- one from each parent
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Homeostasis
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Maintenance of normal internal conditions in a cell or an organism by means of self-- regulating mechanism
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Hypothesis
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The position that is formulated after making an observation;it can be tested by obtaining more data, often by experimentation
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Kingdom
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One of the categories used to classify organisms; category above phylum
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Metabolism
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All of the chemical reactions that occur in a cell
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Molecule
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Union of two or more atoms of the same element; also, the smallest part of a compound that retains the properties of the compound
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Multicellular
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Organisms composed of many cells; usually has organized tissues, organs, and organ system
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Organ
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Combination of two or more different tissues performing a common function
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Organ
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Combination of two or more different tissues performing a common function
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Organ system
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Group of related organs working together
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Organism
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Individual living thing
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Placebo
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Treatment that is an inactive substance (pill liquid,ect) administered as if it were a therapy in an experiment, but that has no therapeutic value
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Population
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Organisms of the same species occupying a certain area
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Principal
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Theory generally accepted by the overwhelming number of scientists; a law
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Reproduce
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To produce a new individual of the same type
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Science
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Development of concepts about the natural world, often by using the scientific method
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Scientific method
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Process of attaining knowledge by making observation, testing hypotheses, and coming to a conclusion
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Scientific theory
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Concept supported by a broad range of observations ,experiments, and conclusion
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Species
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Group of similarly constructed organisms capable of interbreeding and producing fertile offspring; organisms that share a common gene pool
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Standard error
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Number used in evaluating the statistical data to show the range of error in the data
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Technology
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the science or study of the practical or industrial arts
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Test group
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Group exposed to the experimental variable in an experiment, rather than the control group
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Tissue
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Group of similar cells that perform a common function
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Vertebrate
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An animal with a vertebral column
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