01434cam a2200265 7i4500 0000056798 20080309090000.0 080309s2003 -usa 0 eng 1572257954 QH 541.5 .F7 F7 2003 Freshwater ecosystems produced and directed by JWM Productions. Wynnewood, PA: Schlessinger Media, 2003. 1 videodisc (23 min.): sd., col.; 4 3/4 in.. Biomes of the world in action This series is based on the concepts outlined in the National Science Education Standards for Life Science: structure & function in living systems, reproduction & heredity, regulation & behavior, populations & ecosystems, and diversity & adaptations of organisms. Students will explore the diverse freshwater habitat and learn about biotic and abiotic factors that make up the ecosystem, participate in a hands-on experiment to test the amount of dissolved oxygen in two different bodies of water and visit with a freshwater naturalist who exmines wetlands around the world Grades 5-8. DVD Freshwater biology Freshwater ecology Wetlands Schlessinger Media Schlessinger science library. Biomes of the world in action. JWM Productions 1100053019 CD-ROM Bahan Sumber Media BILIK BAHAN SUMBER MEDIA