Marc Johnson's web page

<body> <h1>Marc Johnson's web page</h1> Marc Johnson's research on the ecology and evolution of plants and plant-insect interactions.<br> Duke University, plant defense, community genetics, genetic variation, evolutionary ecology, university of toronto, Marc Johnson, research, Marc Johnson research<br> <br> Click here to enter <a href="http://www.duke.edu/~mtj5">http://www.duke.edu/~mtj5</a> <hr> </body>