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Vocab. Chp. 1 sect.

Vocabulary from sect. 1 in biology.

QuestionAnswer
Biology Study of life
Cell The smallest unit that can perform all life's processes
Organization Is the high degree of order within an organism's internal and external parts and in its interractions with the living world
Unicellular An organism with only one cell
Multicellular Organisms that are made up of multiple cells
Organs Are structures that carry out specialized jobs within An organ system
Tissues Are groups of cells that have similar abilities and that allow the organ to function
Organelles Are tiny structures that carry out functions necessary for the cell to stay alive
Biological molecules In the organelle. They are chemical compounds that provide physical structure and that bring about movement, energy use, and other cellular functions
Homeostasis Is the maintenance of a stable level of internal conditions even though environmental conditions are constantly changing
Metabolism Is the sum of all the chemical reactions that take in and transform energy and materials from the enviroment
Cell division Is the formation of two new cells from an existing cell
Development Is the process by which an organism becomes a mature adult
Reproduction All organisms produce new organisms like themselves
Gene A short segment of DNA that contains the instructions for a single trait of an organism
Created by: moonie7
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