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27 Cards in this Set
- Front
- Back
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biology
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the study of all living things
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cell
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the basic unit of life
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DNA
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the hereditary information that is in the form of a large molecule
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ecology
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the study of the interactions of organisms witho ne another and with their environment
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ecosystems
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environmental communities
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evolve
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change
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evolution
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all the changes that have formed life on Earth from its earliest beginnings to the diversity that characterizes it today
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gene
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a short segment of DNA that contains the instructions for the development of a single trait of an organism
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homeostasis
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the stable level of internal conditions found in all living things
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organism
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living things
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reproduction
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a process when organisms transmit hereditary information to their offspring
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autotroph
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organisms that obtain their energy by making their own food, like plants
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heterotrophs
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organisms that must take in food to meet their energy needs; includes all animals and fungi as well as many unicellular organisms and a few plant species
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cell division
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the formation of two cells from an existing cell
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development
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the process by which an organism grows
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hypothesis
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a statement that explains observations and can be tested
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prediction
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a statement made in advance that states the results that will be obtained from testing a hypothesis, if the hypotheses is supported
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experimenting
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the process of testing a hypothesis or prediction by gathering data under controlled conditions
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microscope
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an instrument that produces an enlarged image of an object
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the sun
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where almost all the energy for life on Earth comes from
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asking a question
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step #2 of the 7 scientific methods
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collecting data
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step #3 of the 7 scientific methods
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drawing conclusions
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step #6 of the 7 scientific methods
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experimenting
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step #5 of the 7 scientific methods
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hypothesizing
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step #4 of the 7 scientific methods
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implementing scientific methods
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step #7 of the 7 scientific methods
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observing
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step #1 of the 7 scientific methods
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