1. Biology:
The Study of Life

2. What Does A Biologist Do?
Biologist study the interactions of living things with other living things and their environments.
Zoologist
Botanist
Ichthyologist
Entomologist
Ecologist

3. LIFE
The study of life ranges from very simple single celled organisms To extremely complex multi-cellular organisms!

4. The Characteristics Of Life
All living things, no matter how different they are from one another share 8 common characteristics.

5. …are made up of units called cells.
Living Things…
…are made up of units called cells.

6. Living Things…
…reproduce.

7. …are based on a universal genetic code called DNA.
Living Things…
…are based on a universal genetic code called DNA.

8. This occurs within an individual’s lifetime.
Living Things…
…grow and develope.
This occurs within an individual’s lifetime.

9. Living Things…
…obtain and use energy.

10. …respond to their environment.
Living Things…
…respond to their environment.

11. in a process called homeostasis.
Living Things…
…maintain a stable internal environment
in a process called homeostasis.

12. Living Things… …evolve or change over time.
This occurs over many generations over a very long period of time.