Levels of Organization with definition of each level

1. Levels of Organization

4. Cell Basic unit of structure & function in life. Cells are the building blocks of all living things.

5. Tissue A group of the same kind of cells working together for a specific purpose

6. Organs A part of an organism made up of tissues that do a specific job.

7. Organ Systems A group of organs that work together for a specific job.

8. Organism Any living thing.

10. Community Several populations living together and interacting in some way. A community of Zebra, Wildebeest, Gazelle, and Lion populations in the Serengeti of Africa

11. Ecosystem All the biotic communities plus all abiotic factors.