Site author Richard Steane	The BioTopics website gives access to interactive resource material, developed to support the learning and teaching of Biology at a variety of levels.
Introductory Topics FULL CONTENTS Classical Topics Humans, Plants Variation, Ecology Further Topics Microbes Section Higher level Topics A/AS level Section 3D molecules [Jsmol] MOLECULES MENU

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Dropdown menu in table. Stylesheet data restored to file (brings in arrows too).
Credits and middle box now being removed from screen at 640 px width
- RHS search box now being removed at 320 px width (small mobile portrait)
Now trying a scalable responsive ad at the top, and centred at bottom (footer below that).
Graphic resize test( original size displayed ?): testgraphic (5K)

Click the button to display (below) this window's height and width (NOT including toolbars and scrollbars).

Note: The innerWidth and innerHeight properties are not supported in IE8 and earlier.

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