{ "nid": "74", "details": "\x3cspan class=\"title\"\x3eEvoBeaker: How the Guppy Got Its Spots\x3c/span\x3e\x3cbr/\x3e\n\x3cspan class=\"description\"\x3eRecreate Endler\'s famous studies of guppy spot brightness in different streams in Trinidad. Students observe the pattern of spot brightness across several pools, then apply classic experimental techniques such as transplants, removals, and behavioral studies to uncover the mechanisms behind the pattern.\x3c/span\x3e\x3cbr/\x3e\n\x3cbr/\x3e\n\x3cstrong\x3eLevel\x3c/strong\x3e: Advanced\x3cbr/\x3e\n\x3cstrong\x3eKey Concepts\x3c/strong\x3e: Experimental design; Natural selection; Sexual selection\x3cbr/\x3e\n\x3cstrong\x3eCourses\x3c/strong\x3e: Evolution; Microevolution; Natural Selection\x3cbr/\x3e\n  \x3cstrong\x3eReviews:\x3c/strong\x3e\x3cbr /\x3e\n  \x3c/span\x3e \x3c!-- /description --\x3e\n\n        \n    \x3cblockquote\x3e\x3cem\x3e\x26quot;The guppies lab was a big hit, and I think the chance to design and test hypotheses is suitable for students at all levels. ...I am very happy with your software.\x26quot;\x3c/em\x3e\x3cbr /\x3e\n              Dr. Maarten Vonhof, Western Michigan University\x3c/blockquote\x3e\x3cbr/\x3e\n        \x3cbr/\x3e\x3ca href=\"/search_result_details/brief/74\" class=\"node_brief\"\x3eRead less\x3c/a\x3e    \x3cbr/\x3e\x3ca href=\"/cart/add/74?dest=search_result_details%2F74\x26amp;dest_query=\"\x3e + Add to course collection\x3c/a\x3e" }