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Section 1 Terms

TermDefinition
Biology the study of life
Organization the high degree or order within an organism's internal and external parts and in its interactions with the living world
Cell the smallest unit that can perform all life's processes
Unicellular term used for an organism made of one cell
Multicellular term used for an organism made of multiple cells
Organ structures that carry out specialized jobs within an organ system
Tissue groups of cells that have similar abilities and that allow the organ to function
Organelle tiny structures that carry out functions necessary for the cell to stay alive
Biological Molecule the chemical compounds that provide physical structure and that bring about movement, energy use, and other cellular functions
Homeostasis the maintenance of a stable level of internal conditions even through environmental conditions are constantly changing
Metabolism the sum of all the chemical reactions that take in and transform energy and materials from the environment
Cell division the formation of two new cells from an existing cell
Development the process by which an organism becomes a mature adult
Reproduction a process where all organisms produce new organisms like themselves
Gene a short segment of DNA that contains the instructions for a single trait of an organism
Created by: WalshC20