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chapter 1

living things

organism living things
cell the basic unit of structure and function in an organism
unicellular single celled organisms
multicellular composed of many organisms
stimulus changes in light,sound, and temperature
response an action or change in behavior
development process of change that occurs during an organisms life to make more complex organisms
spontaneous generation the mistaken idea that living things can arise from non-living sources
controlled experiment a scientist carries out 2 tests that are identical in every respect except for 1 factor
autotroph organisms that make their own food
heterotroph organisms that cannot make their own food
homeostasis the maintenance of stable internal conditions
Created by: gracew2015