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Keystone Review

Author: Tommie Lackner
Across
Any number of organized structure within a living cell
A group of organ that work together to carry out a certain task
A part of an organism that is usually self-contained and has a specific vital function
Part of the body of a living thing that is made of similar cells
Down
Smaller, simple, bacteria, no nucleus
An individual animal, plant, or single-celled life form
The smallest unit of life that carries on all the processes of life
Bigger, complex, DNA is found in nucleus