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1.1 Vocabulary
Terms for chapter one section one: Modern Biology
| 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 | The smallest unit that can preform all life's processes. |
| Unicellular | Organisms that are made up of one cell. |
| Multicellular | Organisms that are made up of several cells. |
| Organ | Structures that carry out specialized jobs within an organ system. |
| Tissue | A group of cells that have similar abilities and that allow the organ to function. |
| Organelle | A tiny structure that carries 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 though environmental conditions are constantky 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 a mature adult. |
| Reproduction | When organisms produce new organisms like themselves. |
| Gene | A short segment of DNA that contains the instructions for a single trait of an organism. |