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Charac. of Life Test

study guide

homeostasis the ability to maintain stable internal conditions
water the most abundant chemical in an organism,needed for cell processes to occur, helps regulate body temp.
cell theory *all living things are made of cells *cells are the basic unit of structure and function *cells only come from other cells
theory a well tested concept that explains things that happen in the natural world. Used to explain existing facts and predict new ones.
cell the basic unit of structure and function of a living thing
characteristics of life *made of cells *reproduction *grow and develop *response to a stimulus
heterotroph an organism that cannot make its own food, it consumes other organisms
asexual reproduction reproduction that involves one parent, the offspring are identical to the parent
stimulus a change in an organism's surroundings that causes it to react
autotroph an organism that can make its own food for energy
organism any living thing
multicellular made of many cells
sexual reproduction reproduction that involves 2 parents, an egg and a sperm cell
reproduction the ability to produce offspring similar to the parent
spontaneus generation the untrue belief that living things can come from nonliving materials
response a reaction to a stimulus
develop the changing of an organism's body over time
needs of living things food/energy, water, living space and homeostasis
grow the process of becoming bigger
unicellular made of one cell
Created by: naumanan16