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Biology Chap. 1-1
Basic terms for Honors Biology, Grade 9
Question | Answer |
---|---|
Term for the study of life | Biology |
The high degree of order within an organism's internal and external parts and in its interactions with the living world | Organization |
The smallest unit that can perform all of life's processes | Cell |
An organism made up of one cell is called- | Unicellular |
Organisms made of multiple cells are called- | Multicellular |
Structures that carry out specialized jobs within an organ system | Organs |
Groups of cells that have similar abilities and that allow an organ to function | Tissue |
Tiny structures that carry out functions necessary for the cell to stay alive | Organelles |
Chemical compounds that provide physical structure and that bring about movement, energy use, and other cellular functions | Biological molecules |
The maintenance of a stable level of internal conditions even though environmental conditions are always changing | Homeostasis |
The sum of all the chemical reactions that take in and transform energy and materials from the environment | Metabolism |
The formation of two new cells from an existing cell | Cell division |
The process by which an organism becomes a mature adult | Development |
The process that organisms use to produce new organisms like themselves | Reproduction |
A short segment of DNA that contains the instructions for a single trait of an organism | Gene |