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 this aspect of animal behaviour as one aspect of sexual reproduction. There are only 10 ‘topics’ currently offered by this TES store for A Level Biology and this presentation, like others on evolution and natural selection, etc does not ‘fit’, hence the inappropriate use of the topics ‘Ecology’ and ‘Scientific Methodology’. • 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.

This is a best seller from our 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 includes 3 interactive html5 exercises and two videos. • 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. 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. • 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 (Yr 1), OCR (Yr 2), Edexcel (Yr 1), WJEC (Yr 2)and other exam boards. For a presentation which covers both Gene Mutations and Chromosome Mutations (suitable for AQA (Yr2), Edexcel (Yr 1) and WJEC (Yr2) please see our other presentation ‘3.8.1 Gene and Chromosomal Mutations’. • 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 new 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 new 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 support any AS/A Level (Year 1) or Level 3 Biology course. Also see ’ 3.3.4.2 Water Transport in Plants - 1 (Mechanisms of Water Transport)’ 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 support any AS/A Level (Year 1) or Level 3 Biology course. Also see ‘3.3.4.2 Water Transport in Plants - 2 (Transpiration & The Potometer)’ 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 support any AS/A Level (Year 1) or Level 3 Biology course. Also see ‘3.3.4.2 Translocation - 1 (Vascular Tissue, Sucrose, Sources and Sinks)’ 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 support any AS/A Level (Year 1) or Level 3 Biology course. Also see ‘3.3.4.2 Translocation - 2 (Experimental Evidence & Theories)’ 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 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), html5 compliant and cross platform ready, e.g. Windows, Mac OS, iOS and Android. • 47 slides – featuring superb, informative graphics and packed with interactions and animations. • interactions and animations are html5 and mp4 respectively. • 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 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 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 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 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 A Level or Level 3 Biology courses. This presentation is suitable for the AQA specification. • 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 (.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 16 page workbook and a corresponding 16 page answer booklet (MS Word .doc format). . Complements our two presentations 3.3.2 Transport of Respiratory Gases 1 & 2 - sold separately . Fully editable in MS Word. Currently, the TES store for Premium Resources only allows a 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 .doc files.