Organization of Cells

Science, Grade 6

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Table Of Contents: Organization of Cells

1. One-Celled Organism-Amoeba
A one-celled organism, such as an amoeba, is able to perform all of its life functions by itself.
2. Cell Tissues
However in many-celled organisms, cells depend on each other and are organized into tissues that perform a specific job.
3. Organs and Organ Systems
These tissues are further organized into organs and organ systems that work together to keep an organism alive.