Judge Trudy's beautiful Roadrunner Ranch is the talk of Cyberspace. Her centerpiece? A beautiful desert garden teeming with diverse wildlife, lush plants and prized "Prickly Peach Cactus." All is peachy until several cacti suddenly go missing! Meanwhile, Buzz and Delete are building their own garden in the Northern Frontier. But why do some of their plants look strangely familiar? Topics: Biodiversity; Counting; Collecting Data; Comparing Data; Pictographs Big Idea: A balanced ecosystem supports a wide variety of life "from the very big to the very tiny" with everyone playing an important role in the ecosystem's overall health.