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MB Chapter 1-1

Chapter 1 Section 1 Terms

biology the study of life
organization the high degree of 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 of life's processes
unicellular one celled organisms
multicellular multi celled organisms
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 the functions necessary for the cell to stay alive
biological molecule the chemical compounds that provide physical and that bring about movement, energy use, and other cellular forms
homeostasis the maintenance of a stable level of internal conditions even though 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 he formation of two new cells from an existing cell
development the process by which an organism becomes a mature adult
reproduction the process of producing new organisms just like themselves
gene a short segment of DNA that contains the instructions for a single trait for an organism
Created by: lakatosv19