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lesson 1 chapter 1
what is life
Question | Answer |
---|---|
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 |