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lesson 1 chapter 1

what is life

organisam autotrophs and herterotrophs
cell the basic unit of structure and function in living things
unicellular a single cell organism
multicellular an organism that has many cells
metabolism the combination of chemical reactions that builds up and breaks down materials
stimulus a change in an organism's surrounding that causes the organism to react
response an action or a change in behavior
development a process of change during a organism's life
asexual reproduction a reproductive process that involves only one parent
sexual reproduction a reproductive process that involves two parents
spontaneous generation the mistaken idea that living things can arise form nonliving things
controlled experiment an expaiament in which only one variable is changed at a time
autotroph organisms that make theire own food
hererotroph organisms that cant make theire own food
homeostasis the maintenance of internal conditions
Created by: 0003607