One of over 60 PowerPoint presentations (Sets 1 - 6) which together cover the AS and Year 1 A Level topics for AQA. This presentation focuses on Stabilising and Directional forms of selection. N.B. Our other presentation ‘Natural Selection - 2b’ contains Disruptive Selection in addition to Stabilising and Directional forms of selection and should be used for other exam boards and AQA Yr 2 A level. • Utilizes the benefits of the staged display of information. • Suitable for a single computer, network, interactive whiteboard or digital projector. • Fully editable in PowerPoint (.pptx file supplied). • Works on all operating systems where MS PowerPoint has been installed, e.g. Windows, Mac OS, iOS and Android (this presentation is flash-free). • Our presentations save you hours in the preparation of high quality lessons. Currently, the TES store for Premium Resources only allows a PowerPoint preview to consist of one content slide plus the Cover Slide and End Slide. Therefore, we have included a full set of slide images (.png files) to allow you to appreciate the full content of this presentation - you do not need to retain these images after download - just keep the .pptx file.

One of over 60 PowerPoint presentations (Sets 1 - 6) which together cover the AS and Year 1 A Level topics for AQA, OCR, Edexcel, WJEC and other exam boards. This presentation focuses on Introns, Exons and the Genetic Code. • Utilizes the benefits of the staged display of information. • Suitable for a single computer, network, interactive whiteboard or digital projector. • Fully editable in PowerPoint (.pptx file supplied). • Works on all operating systems where MS PowerPoint has been installed, e.g. Windows, Mac OS, iOS and Android (this presentation is flash-free). • Our presentations save you hours in the preparation of high quality lessons. Currently, the TES store for Premium Resources only allows a PowerPoint preview to consist of one content slide plus the Cover Slide and End Slide. Therefore, we have included a full set of slide images (.png files) to allow you to appreciate the full content of this presentation - you do not need to retain these images after download - just keep the .pptx file.

One of over 60 PowerPoint presentations (Sets 1 - 6) which together cover the AS and Year 1 A Level topics for AQA, OCR, Edexcel, WJEC and other exam boards. Also see ‘3.4.7.2 Statistics - Investigating Variation - 2 (Dispersion & Standard Deviation)’ to complement this presentation and to offer full topic coverage. • Utilizes the benefits of the staged display of information. • Suitable for a single computer, network, interactive whiteboard or digital projector. • Fully editable in PowerPoint (.pptx file supplied). • Works on all operating systems where MS PowerPoint has been installed, e.g. Windows, Mac OS, iOS and Android (this presentation is flash-free). • Our presentations save you hours in the preparation of high quality lessons. Currently, the TES store for Premium Resources only allows a PowerPoint preview to consist of one content slide plus the Cover Slide and End Slide. Therefore, we have included a full set of slide images (.png files) to allow you to appreciate the full content of this presentation - you do not need to retain these images after download - just keep the .pptx file.

One of over 60 PowerPoint presentations (Sets 1 - 6) which together cover the AS and Year 1 A Level topics for AQA, OCR, Edexcel, WJEC and other exam boards. • Utilizes the benefits of the staged display of information. • Suitable for a single computer, network, interactive whiteboard or digital projector. • Fully editable in PowerPoint (.pptx file supplied). • Works on all operating systems where MS PowerPoint has been installed, e.g. Windows, Mac OS, iOS and Android (this presentation is flash-free). • Our presentations save you hours in the preparation of high quality lessons. Currently, the TES store for Premium Resources only allows a PowerPoint preview to consist of one content slide plus the Cover Slide and End Slide. Therefore, we have included a full set of slide images (.png files) to allow you to appreciate the full content of this presentation - you do not need to retain these images after download - just keep the .pptx file.

One of over 60 PowerPoint presentations (Sets 1 - 6) which together cover the AS and Year 1 A Level topics for AQA, OCR, Edexcel, WJEC and other exam boards. This presentation investigates different types of correlation and then uses the Pearson’s product-moment correlation coefficient as a suitable test for analysing real data concerning human height and foot length. • Utilizes the benefits of the staged display of information. • Suitable for a single computer, network, interactive whiteboard or digital projector. • Fully editable in PowerPoint (.pptx file supplied). • Works on all operating systems where MS PowerPoint has been installed, e.g. Windows, Mac OS, iOS and Android (this presentation is flash-free). • Our presentations save you hours in the preparation of high quality lessons. Currently, the TES store for Premium Resources only allows a PowerPoint preview to consist of one content slide plus the Cover Slide and End Slide. Therefore, we have included a full set of slide images (.png files) to allow you to appreciate the full content of this presentation - you do not need to retain these images after download - just keep the .pptx file.

One of over 60 PowerPoint presentations (Sets 1 - 6) which together support any AS/A Level (Year 1) or Level 3 Biology course. • Utilizes the benefits of the staged display of information. • Suitable for a single computer, network, interactive whiteboard or digital projector. • Fully editable in PowerPoint (.pptx file supplied). • Works on all operating systems where MS PowerPoint has been installed, e.g. Windows, Mac OS, iOS and Android (this presentation is flash-free). • Our presentations save you hours in the preparation of high quality lessons. Currently, the TES store for Premium Resources only allows a PowerPoint preview to consist of one content slide plus the Cover Slide and End Slide. Therefore, we have included a full set of slide images (.png files) to allow you to appreciate the full content of this presentation - you do not need to retain these images after download - just keep the .pptx file.

One of over 60 PowerPoint presentations (Sets 1 - 6) which together cover AS and Year 1 topics for any A Level or Level 3 course in Biology. • Utilizes the benefits of the staged display of information. • Suitable for a single computer, network, interactive whiteboard or digital projector. • Fully editable in PowerPoint (.pptx file supplied). • Works on all operating systems where MS PowerPoint has been installed, e.g. Windows, Mac OS, iOS and Android (this presentation is flash-free). • Our presentations save you hours in the preparation of high quality lessons. Currently, the TES store for Premium Resources only allows a PowerPoint preview to consist of one content slide plus the Cover Slide and End Slide. Therefore, we have included a full set of slide images (.png files) to allow you to appreciate the full content of this presentation - you do not need to retain these images after download - just keep the .pptx file.

One of our large collection of interactive/animated PowerPoint presentations which together cover the core content of any GCSE or iGCSE Physics course. • 45 slides – packed with informative graphics, three superb interactions and six animations. • interactions and animations are html5 and mp4 respectively. • utilizes the benefits of the staged display of information. • suitable for a single computer, network, interactive whiteboard or digital projector. • fully editable in PowerPoint (.pptx file supplied), html5 compliant and cross platform ready, e.g. Windows, Mac OS, iOS and Android. • used in hundreds of UK and International Schools, our presentations save you hours in the preparation of high-quality lessons. Currently, the TES store only allows a PowerPoint preview to consist of a few slides. Therefore, we have included a full set of slide images (.png or .jpg files) to allow you to appreciate the full content of this presentation - you do not need to retain these images after download - just keep the .pptx file.

A significant resource from our large collection of interactive/animated PowerPoint presentations which together cover the core content of any GCSE or iGCSE Physics course. • 48 slides – featuring superb, informative graphics, interactions and animations. • interactions and animations are html5 and mp4 respectively and appear on 14 of the 48 slides. • utilizes the benefits of the staged display of information. • suitable for a single computer, network, interactive whiteboard or digital projector. • fully editable in PowerPoint (.pptx file supplied), html5 compliant and cross platform ready, e.g. Windows, Mac OS, iOS and Android. • used in hundreds of UK and International Schools, our presentations save you hours in the preparation of high-quality lessons. Currently, the TES store only allows a PowerPoint preview to consist of a few slides. Therefore, we have included a full set of slide images (.png or .jpg files) to allow you to appreciate the full content of this presentation - you do not need to retain these images after download - just keep the .pptx file.

. Complements our presentation 3.4.6 Biodiversity - Species Diversity Index (sold separately). . Fully editable in MS Excel. . Complete with help document. Currently, the TES store for Premium Resources only allows an Excel or MS Word document a limited preview. Therefore, we have included a full set of page images (.png files) to allow you to appreciate the full content of this resource - you do not need to retain these images after download - just keep the .xls and .doc files.

A top seller from over 60 PowerPoint presentations (Sets 7 - 12) which together cover the Year 2 A Level topics for AQA, OCR, Edexcel, WJEC and other exam boards. Contains movies of Ultrafiltration, Isotonic, Hypotonic/Hypertonic solutions and the Countercurrent Multiplier Mechanism. • utilizes the benefits of the staged display of information. • suitable for a single computer, network, interactive whiteboard or digital projector. • fully editable in PowerPoint (.pptx file supplied), html5 compliant and cross platform ready, e.g. Windows, Mac OS, iOS and Android. • 54 slides – featuring superb, informative graphics and animations (mp4). • used in hundreds of UK and International Schools, our presentations save you hours in the preparation of high-quality lessons. Currently, the TES store for Premium Resources only allows a PowerPoint preview to consist of one content slide plus the Cover Slide and End Slide. Therefore, we have included a full set of slide images (.png or .jpg files) to allow you to appreciate the full content of this presentation - you do not need to retain these images after download - just keep the .pptx file.

One of over 60 PowerPoint presentations (Sets 7 - 12) which together cover the Year 2 A Level topics for AQA, OCR, Edexcel, WJEC and other exam boards. • Utilizes the benefits of the staged display of information. • Suitable for a single computer, network, interactive whiteboard or digital projector. • Fully editable in PowerPoint (.pptx file supplied). • Works on all operating systems where MS PowerPoint has been installed, e.g. Windows, Mac OS, iOS and Android (this presentation is flash-free). • Our presentations save you hours in the preparation of high quality lessons. Currently, the TES store for Premium Resources only allows a PowerPoint preview to consist of one content slide plus the Cover Slide and End Slide. Therefore, we have included a full set of slide images (.png files) to allow you to appreciate the full content of this presentation - you do not need to retain these images after download - just keep the .pptx file.

One of over 60 PowerPoint presentations (Sets 7 - 12) which together cover the Year 2 A Level topics for AQA, OCR, Edexcel, WJEC and other exam boards. • Utilizes the benefits of the staged display of information. • Suitable for a single computer, network, interactive whiteboard or digital projector. • Fully editable in PowerPoint (.pptx file supplied). • Works on all operating systems where MS PowerPoint has been installed, e.g. Windows, Mac OS, iOS and Android (this presentation is flash-free). • Our presentations save you hours in the preparation of high quality lessons. Currently, the TES store for Premium Resources only allows a PowerPoint preview to consist of one content slide plus the Cover Slide and End Slide. Therefore, we have included a full set of slide images (.png files) to allow you to appreciate the full content of this presentation - you do not need to retain these images after download - just keep the .pptx file.

One of over 60 PowerPoint presentations (Sets 7 - 12) which together cover the Year 2 A Level topics for AQA, OCR, Edexcel, WJEC and other exam boards. • Utilizes the benefits of the staged display of information. • Suitable for a single computer, network, interactive whiteboard or digital projector. • Fully editable in PowerPoint (.pptx file supplied). • Works on all operating systems where MS PowerPoint has been installed, e.g. Windows, Mac OS, iOS and Android (this presentation is flash-free). • Our presentations save you hours in the preparation of high quality lessons. Currently, the TES store for Premium Resources only allows a PowerPoint preview to consist of one content slide plus the Cover Slide and End Slide. Therefore, we have included a full set of slide images (.png files) to allow you to appreciate the full content of this presentation - you do not need to retain these images after download - just keep the .pptx file.

One of over 60 PowerPoint presentations (Sets 7 - 12) which together cover the Year 2 A Level topics for AQA, OCR, Edexcel, WJEC and other exam boards. This presentation focuses on the process of making a genetic fingerprint/electrophoresis and the applications of genetic fingerprinting. Case studies are then looked at for Forensic Science, Paternity Testing, Establishing Evolutionary Relationships, Genealogy and Human Migration (Out of Africa Theory) and finally the Polymerase Chain Reaction is studied. • Utilizes the benefits of the staged display of information. • Suitable for a single computer, network, interactive whiteboard or digital projector. • Fully editable in PowerPoint (.pptx file supplied). • Works on all operating systems where MS PowerPoint has been installed, e.g. Windows, Mac OS, iOS and Android (this presentation is flash-free). • Our presentations save you hours in the preparation of high quality lessons. Currently, the TES store for Premium Resources only allows a PowerPoint preview to consist of one content slide plus the Cover Slide and End Slide. Therefore, we have included a full set of slide images (.png files) to allow you to appreciate the full content of this presentation - you do not need to retain these images after download - just keep the .pptx file.

One of over 60 PowerPoint presentations (Sets 7 - 12) which together cover the Year 2 A Level topics for AQA, OCR, Edexcel, WJEC and other exam boards. This presentation focuses on Diagnostic Techniques, DNA extraction and fragmentation, Electrophoresis, using a DNA probe to locate a specific gene and then looks in detail at a case study where screening for the Sickle-cell Gene is undertaken. Finally, the pros and cons of genetic counselling are discussed. • Utilizes the benefits of the staged display of information. • Suitable for a single computer, network, interactive whiteboard or digital projector. • Fully editable in PowerPoint (.pptx file supplied). • Works on all operating systems where MS PowerPoint has been installed, e.g. Windows, Mac OS, iOS and Android (this presentation is flash-free). • Our presentations save you hours in the preparation of high quality lessons. Currently, the TES store for Premium Resources only allows a PowerPoint preview to consist of one content slide plus the Cover Slide and End Slide. Therefore, we have included a full set of slide images (.png files) to allow you to appreciate the full content of this presentation - you do not need to retain these images after download - just keep the .pptx file.

This is one of four sets of crosswords (10 crosswords/set), which together, reinforce many of the core topics covered in any Biology course for students aged 16-19. • Directly targets key terms & definitions in an enjoyable way. • Both print masters and answer sheets (useful as a glossary) are provided. Suitable for homework or classwork and ideal for an informal assessment. Also valuable as self-assessment for students throughout a revision program. The ‘clues’ offer detailed, yet succinct, definitions and descriptions of the terms. Set 3 Topics: • The Mammalian Eye • Homeostasis • Scientific & Mathematical Skills - 1 • Scientific & Mathematical Skills - 2 • Scientific & Mathematical Skills - 3 • Kidney Structure and Function - 1 • Kidney Structure and Function - 2 • Muscles • Nervous Co-ordination - 1 • Nervous Co-ordination - 2 A free sample crossword and answer sheet is available from… https://www.tes.com/teaching-resource/crossword-gas-exchange-in-fish-insects-and-plants-answers-provided-11237190 To offer an enhanced preview the pages are also shown as images (*.png files). You do not need to retain these images after download - just keep the .pdf files.

Child Development One of our collection of 21 interactive PowerPoint presentations which together support the core content of any Entry Level, GCSE/iGCSE/BTEC Child Development course in the 14 – 16+ age range. • utilizes the benefits of the staged display of information. • suitable for a single computer, network, interactive whiteboard or digital projector. • fully editable in PowerPoint (.pptx file supplied), html5 compliant and cross platform ready, e.g. Windows, Mac OS, iOS and Android. • 31 slides – featuring superb, informative graphics and an animated chart. • used in hundreds of UK and International Schools, our presentations save you hours in the preparation of high-quality lessons. Currently, the TES store only allows a PowerPoint preview to consist of a few slides. Therefore, we have included a full set of slide images (.png or .jpg files) to allow you to appreciate the full content of this presentation - you do not need to retain these images after download - just keep the .pptx file.

One of 54 PowerPoint presentations (Sets 1 - 6) which together cover the new AS and Year 1 A Level topics for Edexcel (B). Also suitable for some other Biology courses for students aged 16-19 such as the WJEC (Year 2) specification. · Utilizes the benefits of the staged display of information. · Enhances the specifications for Edexcel (B) and WJEC. · Works on all operating systems where MS PowerPoint has been installed. · Suitable for a single computer, network, interactive whiteboard or digital projector. �� Fully editable in PowerPoint (.pptx file supplied). · Our presentations save you hours in the preparation of high quality lessons. Currently, the TES store for Premium Resources only allows a PowerPoint preview to consist of one content slide plus the Cover Slide and End Slide. Therefore, we have included a full set of slide images (.png files) to allow you to appreciate the full content of this presentation - you do not need to retain these images after download - just keep the .pptx file.

One of 54 PowerPoint presentations (Sets 1 - 6) which together cover the new AS and Year 1 A Level topics for Edexcel (B). Also suitable for some other Biology courses for students aged 16-19 such as the WJEC (Year 2) specification. · Utilizes the benefits of the staged display of information. · Enhances the specifications for Edexcel (B) and WJEC. · Works on all operating systems where MS PowerPoint has been installed. · Suitable for a single computer, network, interactive whiteboard or digital projector. · Fully editable in PowerPoint (.pptx file supplied). · Our presentations save you hours in the preparation of high quality lessons. Currently, the TES store for Premium Resources only allows a PowerPoint preview to consist of one content slide plus the Cover Slide and End Slide. Therefore, we have included a full set of slide images (.png files) to allow you to appreciate the full content of this presentation - you do not need to retain these images after download - just keep the .pptx file.