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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

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

CHARACTERISTICS OF LIFE 2 2

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

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

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

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

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

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

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

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

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

PLANT CELLS 12

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

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

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

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

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

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

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

ANIMAL CELLS 20

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

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:

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: