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Biology Ch. 1.1MND
Biology Chapter 1.1
| Question | Answer |
|---|---|
| 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 | In biology; the smallest unit that can perform all life processes; these 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 an offspring |
| Gene | a short segment of DNA that contains the instructions for a single trait |