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Biology Chap. 1-1

Basic terms for Honors Biology, Grade 9

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
Created by: EmilyEdwards