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...

Full description

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:
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020 0 0 |a 1572257954  
090 0 0 |a QH 541.5 .F7   |b F7 2003 
245 0 0 |a Freshwater ecosystems   |c produced and directed by JWM Productions. 
260 0 0 |a Wynnewood, PA:   |b Schlessinger Media,   |c 2003. 
300 |a 1 videodisc (23 min.):   |b sd., col.;   |c 4 3/4 in.. 
490 0 0 |a Biomes of the world in action 
500 0 0 |a 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. 
520 0 0 |a 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 
521 0 0 |a Grades 5-8. 
538 0 0 |a DVD 
650 0 0 |a Freshwater biology  
650 0 0 |a Freshwater ecology  
650 0 0 |a Wetlands  
710 2 1 |a Schlessinger Media  
710 2 1 |a Schlessinger science library. Biomes of the world in action.  
710 2 1 |a JWM Productions  
999 |a 1100053019  |b CD-ROM  |c Bahan Sumber Media  |e BILIK BAHAN SUMBER MEDIA