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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. |