Introductory Biology
These PowerPoint presentations are for Key Stages 3 and 4 and introduce students to some basic principles of biology which they need to master in order to understand biological processes. If you do not have PowerPoint installed you can download PowerPoint Viewer free here
 Cells and Tissues Cell Division and Specialization
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 Photosynthesis |
 Respiration |
 Osmosis |
 Interdependence of Living Things |
 Diffusion |
 The Chemicals of Living Things
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  Homeostasis
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