Levels Of Organization

1. Levels
of Organization

2. Why do we need to learn about
levels of organization?
•Helps us to understand how our world
fits together
•Helps us to organize the structures of
living systems and how they all work
together

3. Organelles
•“little organs”
• These are
various small
structures inside
of the cell that
perform specific
functions
•Examples include
mitochondria,
nucleus, and
Golgi body

4. Cell
•Basic unit of structure & function in life

5. Tissue
• A group of the same kind of cells working
together.

6. Organs
• Tissues that work together

7. Organ Systems
• Organs that work together.

8. Organism
• Entire living things
(organisms)
• Usually made of
systems but may be a
single cell.

9. Population
• Same type of
organism living
together.
•This term is
often used to
describe the
size of a group
of organisms.

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 of the communities in an area
and the abiotic factors that affect
them