1. WHAT IS LIFE?

2. H O G R A C E R

3. - An organism (living thing) is anything that has all characteristics of life

4. - There are 8 characteristics of life and an organism must have all of them to be considered living.

5. Living things: 1) maintain homeostasis –
(homeo = same stasis = conditions)
- Some organisms have the ability to maintain stable conditions internally even when their external surroundings change. This is maintaining homeostasis.

6. 2) are organized
-Organisms have structures (parts) that have specific functions (jobs).
Digestive System

7. 3) grow and develop
-grow – to get larger in size.
-develop – to mature
in appearance.

8. 4) Reproduce
-organisms produce offspring.
-species – organisms that have the ability to breed and produce viable offspring.

9. 5) adapt and evolve
Organisms adapt to their surroundings in
order to survive
- The evolution of a new species can occur as a result of adaptations.

10. Organisms made of I cell are unicellular
6) are made up of cells.
Organisms made of I cell are unicellular
cyanobacteria
- Organisms made of more than 1 cell are multicellular.
Onion root

11. 7) obtain and use energy.
Organisms can obtain energy by eating
or using the sun to make food.
- Organisms use energy to do work.

12. 8) Respond and adjust to their surroundings.
- If the organisms surroundings change, then the organism will adjust to the change.

13. Remember:
All organisms have DNA (genetic material).
The study of life is called biology.
Bio – life
logy- study of