{"id":82,"date":"2009-07-24T08:00:00","date_gmt":"2009-07-24T08:00:00","guid":{"rendered":"http:\/\/blog.beliefnet.com\/scienceandthesacred\/2009\/07\/its-good-to-be-different.html"},"modified":"2014-05-19T09:16:17","modified_gmt":"2014-05-19T13:16:17","slug":"its-good-to-be-different","status":"publish","type":"post","link":"https:\/\/www.beliefnet.com\/columnists\/scienceandthesacred\/2009\/07\/its-good-to-be-different.html","title":{"rendered":"It&#8217;s Good to be Different"},"content":{"rendered":"<p><span class=\"mt-enclosure mt-enclosure-image\"><img loading=\"lazy\" decoding=\"async\" alt=\"happy-face-spider.jpg\" src=\"https:\/\/wp-media.beliefnet.com\/sites\/202\/import\/happy-face-spider.jpg\" class=\"mt-image-center\" style=\"margin: 0pt auto 20px;text-align: center\" width=\"500\" height=\"308\" \/><\/span> <\/p>\n<div>Variation among a species plays an important part in their evolution. The appearance of beneficial physical traits through genetic mutation drives species to evolve over time, as the best suited traits are passed on to future generations. However, not every physical trait seems to have immediate benefits. For example, many species have numerous distinct visible forms &#8212; called &#8220;exuberant polymorphisms&#8221; &#8212; that make them look different from other members of their species. Are such differences merely cosmetic, or do they serve a purpose?<\/p>\n<p><a href=\"http:\/\/www.physorg.com\/news167562918.html\">New research<\/a> has found that looking different actually does serve a purpose in certain creatures. The study looked specifically at the Hawaiian Happy-face Spider (<i>Theridion grallator<\/i>), whose appearance ranges from solid yellow to a variety of different red, black, or white marks. Interestingly, all of these marks are inherited, so the variation is not simply random for each individual spider.<\/p>\n<p>The study found that the reason for these wild variations stems from a common driving force of evolution: predators. By looking different, the spiders are able to take advantage of &#8220;dietary wariness&#8221; in predators. To avoid consuming potentially poisonous meals, predators are naturally hesitant about eating anything that looks different from their normal meals and about incorporating novel food items into a regular diet. If the main predators of the happy-face spider exhibit even a modest level of &#8220;dietary wariness&#8221;, then, it would make sense for them to evolve into a variety of different visible forms as a way of avoiding predation.<\/p>\n<p>You can read the <a href=\"http:\/\/www3.interscience.wiley.com\/journal\/122454472\/abstract\">full study<\/a> in the journal <i>Evolution<\/i>.<\/p>\n<\/div>\n<p><!-- AddThis Button BEGIN -->\n<\/p>\n<div class=\"addthis_toolbox addthis_default_style\">\n<a href=\"http:\/\/www.addthis.com\/bookmark.php?v=250&amp;pub=biologos\" class=\"addthis_button_compact\">Share<\/a><br \/>\n<span class=\"addthis_separator\">|<\/span><br \/>\n<a href=\"editor-content.html?cs=utf-8\" class=\"addthis_button_facebook\"><\/a><br \/>\n<a href=\"editor-content.html?cs=utf-8\" class=\"addthis_button_myspace\"><\/a><br \/>\n<a href=\"editor-content.html?cs=utf-8\" class=\"addthis_button_google\"><\/a><br \/>\n<a href=\"editor-content.html?cs=utf-8\" class=\"addthis_button_twitter\"><\/a>\n<\/div>\n<p><!-- AddThis Button END --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Variation among a species plays an important part in their evolution. The appearance of beneficial physical traits through genetic mutation drives species to evolve over time, as the best suited traits are passed on to future generations. However, not every physical trait seems to have immediate benefits. For example, many species have numerous distinct visible&hellip;<\/p>\n","protected":false},"author":196,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-82","post","type-post","status-publish","format-standard","hentry","category-daily-thoughts"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>It&#039;s Good to be Different - Science and the Sacred<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.beliefnet.com\/columnists\/scienceandthesacred\/2009\/07\/its-good-to-be-different.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"It&#039;s Good to be Different - Science and the Sacred\" \/>\n<meta property=\"og:description\" content=\"Variation among a species plays an important part in their evolution. The appearance of beneficial physical traits through genetic mutation drives species to evolve over time, as the best suited traits are passed on to future generations. However, not every physical trait seems to have immediate benefits. For example, many species have numerous distinct visible&hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.beliefnet.com\/columnists\/scienceandthesacred\/2009\/07\/its-good-to-be-different.html\" \/>\n<meta property=\"og:site_name\" content=\"Science and the Sacred\" \/>\n<meta property=\"article:published_time\" content=\"2009-07-24T08:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2014-05-19T13:16:17+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/blog.beliefnet.com\/scienceandthesacred\/files\/import\/happy-face-spider.jpg\" \/>\n<meta name=\"author\" content=\"The BioLogos Foundation\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"It's Good to be Different - Science and the Sacred","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.beliefnet.com\/columnists\/scienceandthesacred\/2009\/07\/its-good-to-be-different.html","og_locale":"en_US","og_type":"article","og_title":"It's Good to be Different - Science and the Sacred","og_description":"Variation among a species plays an important part in their evolution. The appearance of beneficial physical traits through genetic mutation drives species to evolve over time, as the best suited traits are passed on to future generations. However, not every physical trait seems to have immediate benefits. For example, many species have numerous distinct visible&hellip;","og_url":"https:\/\/www.beliefnet.com\/columnists\/scienceandthesacred\/2009\/07\/its-good-to-be-different.html","og_site_name":"Science and the Sacred","article_published_time":"2009-07-24T08:00:00+00:00","article_modified_time":"2014-05-19T13:16:17+00:00","og_image":[{"url":"http:\/\/blog.beliefnet.com\/scienceandthesacred\/files\/import\/happy-face-spider.jpg"}],"author":"The BioLogos Foundation","twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.beliefnet.com\/columnists\/scienceandthesacred\/2009\/07\/its-good-to-be-different.html","url":"https:\/\/www.beliefnet.com\/columnists\/scienceandthesacred\/2009\/07\/its-good-to-be-different.html","name":"It's Good to be Different - Science and the 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