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Flowers wave at passing Insects
valann 47
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5-8-2008 12:04 PM
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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/e1397eba-2267-4fe9-9996-528750f8cfab/2D7E9EB2-0103-41D2-A44A-4EDBB73DF6F7/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://news.bbc.co.uk/1/hi/sci/tech/7388689.stm" href="http://news.bbc.co.uk/1/hi/sci/tech/7388689.stm" style="font-size: 11px;">news.bbc.co.uk</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.bbc.co.uk/1/hi/sci/tech/7388689.stm"><P class="first"><B>Flowers "wave" at insects to get their attention, scientists have discovered. </B> </P><P> The finding helps explain why many flowers waft in the breeze, and reveals a hitherto unknown trick used to attract pollinators. </P><P> Scientists made the discovery while studying common wildflowers known as sea campion on the Welsh coast. </P><P> Mobile flowers are visited more often by insects and also produce more seeds, they report in the Journal of Evolutionary Biology. </P><P> Moving flowers also attract a wider variety of insect species than more static blooms. </P><P> For years, biologists have known that flowers use striking colours, fragrances, elaborately shaped petals and nectar to attract pollinating insects such as bees and flies. </P><P> Yet no-one had ever seriously considered whether wafting in the wind acted as a similar signal.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.bbc.co.uk/1/hi/sci/tech/7388689.stm"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/news.bbc.co.uk/img/4F821CE3-8AEA-4CD4-B6D9-09EA83A807E5" alt="Bumblebee on flower. Image: PA" /></div></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;"> </td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/2D7E9EB2-0103-41D2-A44A-4EDBB73DF6F7/blog/" title="blog or email this clip"><img src="http://content9.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>
tags:
flowers
,
pollinating insects
,
biology
1 Comment
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5-8-2008
2:53 PM
urbanlife
Cool clip! Thanks for sharing!
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