Chapter 1: lesson 1 Word Scramble
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Term | Definition |
cell | the basic unit of structure and function in living things |
organism | a living thing |
unicellular | made of one cell |
multicellular | consisting of many cells |
metabolism | the combination of chemical reactions through which an organism builds up or breaks down materials |
stimulus | any change or signal in the enviorment that can make an organism react in some way |
response | an action or change in behavior that occurs as a result of stimulus |
development | the process of change that occurs during and organisms life to produce a more complex organism |
asexual reproduction | a reproductive process that involes only one parent and produces offspring that are genetically identical to the parent |
sexual reproduction | a reproductive process that involves two parents that combine their genetic material to produce a new organism which differs from both parents |
spontaneos generation | the mistaken idea that living things arise from nonliving sources |
controlled experiment | an experiment in which only one variable is manipulated at a time |
autotroph | an organism that is able to capture energy from sunlight or chemicals and use it to produce it's own food |
heterotroph | an organism that can not make its on food and gets food by consuming other living things |
homeostasis | the condition in which an organisms internal enviorment is kept stable in spite of changes in the external enviorment |
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