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Living Things

Living Things Science 7

TermDefinition
organism any living thing
cell smallest unit of an organism that carries on the functions of life
hereditary material (DNA) contains instructions for cellular organization and function
stimulus anything that causes some change in an organism
response reaction to stimulus
homeostasis organism's ability to keep the proper conditions inside no matter what is going on outside the organism
growth of one celled organism growth is due to increase in the size of the cell
growth of many celled organism mostly due to an increase in the number of cells
development all of the changes that take place during the life of an organism
asexual reproduction 1 parent (identical to parent)
sexual reproduction 2 parents (characteristics of both parents)
what living things NEED a place to live and raw materials
raw materials water, food, and oxygen
% of water in humans 70%
spontaneous generation the idea that living things come from nonliving things
biogenesis the theory that living things come only from other living things
ATP store and supply the cell with energy
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