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3 Cards in this Set

  • Front
  • Back
Characteristics of Life


Living Things are made up of units called cells


Living Things reproduce


Living things are based on a universal genetic code


Living things grow and develop


Living things obtain and use energy and materials


Living Things respond to their environment


Living things maintain a stable internal environment


Living things can evolve and change over time

Levels of organization

Cells




Tissue




Organ




Organ System




Organism