BIOSPHERE Interdependence, Adaptations and Biodiversity 3 POSTER SET - Laminated. Ecology and Environment Educational Poster Series. This Poster Series includes 3 Laminated Posters. Each Poster Measures 18" x 32" Double Side Laminated and Sealed for Long Lasting Durability. Professionally Printed at Highest Resolution for Vivid, Dynamic Images. Excellent teaching tool for Science Classrooms - Geography, Ecology and Biosphere Studies!