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Biology Chapter 1.1
Biology Chapter 1
Term | Definition |
---|---|
Biology | The study of life. |
Organization | The high degree of order within an organisms internal and external parts and in its interactions with the living world. |
Cell | In biology, the smallest unit that can perform all life processes; cells are covered by a membrane and contain DNA and cytoplasm. |
Unicellular | Describes an organism that consists of a single cell. |
Multicellular | Describes a tissue, organ, or organism that is made of many cells. |
Organ | A collection of tissues that carry out a specialized function of the body. |
Tissue | A collection of specialized cells and cell products that perform a specific function. |
Organelle | One of the small bodies that are found in the cytoplasm of a cell and that are specialized to perform a specific function. |
Biological Molecule | Chemical compound that provides physical structure and brings about movement, energy use, and other cellular functions. |
Homeostasis | The steady-state physiological condition of the body. |
Metabolism | The sum of all chemical processes that occur in an organism. |
Cell Division | The formation of two cells from one existing cell |
Development | The gene-directed process by which an organism matures. |
Reproduction | The process of producing offspring. |
Gene | A short segment of DNA that contains the instructions for a single trait. |