2. LEFT CLICK OR PRESS SPACE BAR TO ADVANCE, PRESS P BUTTON TO GO BACK, PRESS ESC BUTTON TO END LEFT CLICK OR PRESS SPACE BAR TO ADVANCE, PRESS P BUTTON TO GO BACK, PRESS ESC BUTTON TO END COMPUTER PRESENTATIONS FOR KS3 SCIENCE - BIOLOGY ©2003, STEVE PARKER COMPUTER PRESENTATIONS FOR KS3 SCIENCE - BIOLOGY ©2003, STEVE PARKER

3. 1 1 KS3 SCIENCE - BIOLOGY KS3 SCIENCE - BIOLOGY Life & Cells Life & Cells

4. CHARACTERISTICS OF LIFE 2 2

5. 3 3 Things may be one of these Non-livingThingsNon-livingThings LivingThingsLivingThings DeadThingsDeadThings

6. CHARACTERISTICS OF LIFE 4 4 Things may be one of these Non-livingThingsNon-livingThings LivingThingsLivingThings DeadThingsDeadThings Biology is the study of living things Biology is the study of living things

7. CHARACTERISTICS OF LIFE 5 5 Living things have certain characteristics Living things have certain characteristics  Movement

8. CHARACTERISTICS OF LIFE 6 6 Living things have certain characteristics Living things have certain characteristics  Movement  Respiration

9. CHARACTERISTICS OF LIFE 7 7 Living things have certain characteristics Living things have certain characteristics  Movement  Respiration  Sensitivity

10. CHARACTERISTICS OF LIFE 8 8 Living things have certain characteristics Living things have certain characteristics  Movement  Respiration  Sensitivity  Growth

11. CHARACTERISTICS OF LIFE 9 9 Living things have certain characteristics Living things have certain characteristics  Movement  Respiration  Sensitivity  Growth  Reproduction

12. CHARACTERISTICS OF LIFE 10 Living things have certain characteristics Living things have certain characteristics  Movement  Respiration  Sensitivity  Growth  Reproduction  Excretion

13. CHARACTERISTICS OF LIFE 11 Living things have certain characteristics Living things have certain characteristics  Movement  Respiration  Sensitivity  Growth  Reproduction  Excretion  Nutrition

14. PLANT CELLS 12

15. PLANT CELLS 13 Plants are made up of lots of tiny boxes, called Cells, which can be seen under a microscope Plants are made up of lots of tiny boxes, called Cells, which can be seen under a microscope

16. PLANT CELLS 14 Plant cells are surrounded by a rigid cell wall, which gives support Plant cells are surrounded by a rigid cell wall, which gives support

17. PLANT CELLS 15 The Cytoplasm is where chemical reactions take place The Cytoplasm is where chemical reactions take place

18. PLANT CELLS 16 The Nucleus controls the cell and contains the information needed to reproduce the organism The Nucleus controls the cell and contains the information needed to reproduce the organism

19. PLANT CELLS 17 The Mitochondria are the site of energy production The Mitochondria are the site of energy production

20. PLANT CELLS 18 The Chloroplast contains Chlorophyll, which converts energy from sunlight into food using Photosynthesis The Chloroplast contains Chlorophyll, which converts energy from sunlight into food using Photosynthesis

21. PLANT CELLS 19 The Vacuole contains a solution of salts and sugar called Sap The Vacuole contains a solution of salts and sugar called Sap

22. ANIMAL CELLS 20

23. ANIMAL CELLS 21 Animals cells are similar in some ways and different in others from those of plants Animals cells are similar in some ways and different in others from those of plants

24. ANIMAL CELLS 22 The Nucleus controls the cell and contains information The Nucleus controls the cell and contains information Mitochondria are where energy is produced Mitochondria are where energy is produced Cytoplasm is the site of chemical reactions Cytoplasm is the site of chemical reactions Similarities are these: Similarities are these:

25. ANIMAL CELLS 23 No large vacuole inside cell No large vacuole inside cell No chloroplasts as there is no photosynthesis No chloroplasts as there is no photosynthesis No rigid cell wall No rigid cell wall Differences are these: Differences are these: