1. Mr. Skirbst Life Science Topic 03
Living Things
Mr. Skirbst
Life Science
Topic 03

2. Living Things
* All living things (on Earth) share similar characteristics

3. 6 Characteristics of Living Things
1. Made of cells

4. 6 Characteristics of Living Things
Made of cells
Ability to move

5. 6 Characteristics of Living Things
Made of cells
Ability to move
Perform complex chemical activities (ingestion, digestion, respiration, excretion)

6. 6 Characteristics of Living Things
Made of cells
Ability to move
Complex chemical activities
Grow and develop

7. 6 Characteristics of Living Things
Made of cells
Ability to move
Complex chemical activities
Grow and develop
Respond to stimulus

8. 6 Characteristics of Living Things
Made of cells
Ability to move
Complex chemical activities
Grow and develop
Respond to stimulus
Reproduce

9. Origins of Life
Spontaneous Generation Theory - stated that living things came from non-living matter, all by itself

10. Origins of Life
Francesco Redi (Italy, 1668)

11. Origins of Life
Francesco Redi (Italy, 1668) - disproved theory with his famous experiment (meat & flies)

12. Origins of Life
Francesco Redi
He showed that “living things do NOT come from non-living matter.”

13. Origins of Life
Francesco Redi
He showed that “living things do NOT come from non-living matter.”
“Living things come from living things.”

14. 6 Basic Needs of Living Things
Energy
primary source is the sun

15. 6 Basic Needs of Living Things
Energy
Food
(provides chemical nutrients)

16. 6 Basic Needs of Living Things
Energy
Food
Water
(allows chemical activities to occur)

17. 6 Basic Needs of Living Things
Energy
Food
Water
Oxygen
(from air or water)

18. 6 Basic Needs of Living Things
Energy
Food
Water
Oxygen
Living Space
(competition for resources)

19. 6 Basic Needs of Living Things
Energy
Food
Water
Oxygen
Living Space
Temperature

20. Testing for Life
Can soil from another planet be tested for life?