Freshwater ecosystems

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...

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Corporate Authors: Schlessinger Media, Schlessinger science library. Biomes of the world in action., JWM Productions
Language:English
Published: Wynnewood, PA: Schlessinger Media, 2003.
Series:Biomes of the world in action
Subjects:
Summary: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
Item Description: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.
Physical Description:1 videodisc (23 min.): sd., col.; 4 3/4 in..
Format:DVD
Audience:Grades 5-8.
ISBN:1572257954