dresswera.blogg.se

Their semicircular heads look like little spatulas. They don't have circulatory, respiratory or skeletal systems.

Land planarians are in a primitive group of worms called, aptly enough, flatworms. If the habitat is warm and moist enough, they can escape and get established in the wild. They're typically found near greenhouses. Originating in Asia, they've traveled around the world in nursery pots, arriving in North America a century ago. It's one of those things that, when you find it, you just have to find out what it is. From time to time, someone somewhere in Georgia turns over a rock or log and finds a grayish brown, flat worm with a head shaped like a half-moon.