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AB Ch.1 Section 1
AB Section 1
Question | Answer |
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Biology | the study of life |
Organization | the high degree of order within an organism's internal and external parts and in it's interactions wiht the living world |
Cell | i biology the smallest unit that can perform all life processes, cells are covered by a membrane and have 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 specilaized 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 specialzed to perform a specific function |
Biological Molecule | a chemical compound that provides physical structure and brings about movement, energy use, and other cellular functions |
Homeostasis | the steady-state physilogical condition of the body |
Metabolism | the sum of all chemical processes tha occur in an organism |
Cell Division | the formation of 2 cells from 1 exsisting cell |
Development | the gene-directed process by which an organism matures |
Reproduction | the process of producing offspring |
Gene | a short segment of DNA that comtains the instructions for a single trait |