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Section 1 Terms
Term | Definition |
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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 |