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levels of organization (smallest to largest)
atoms, molecules, organelles, cells, tissues, organs, organ systems, organism, population, communities, ecosystem, biosphere
3 domains
bacteria eucarya archaea
dependent variable
depends on another variable (often shown by y)
independent variable
doesnt depend on another variable (often shown by x)
4 kingdoms (of eukarya)
protista fungi plants animals
experimental group
the group that changes in an experiment (gets the new item)
control group
the group that doesnt change in an experiment (doesnt get the new item)