PZ08012700
BIOLOGY: THE FABRIC OF LIFE - ECOSYSTEMS
Ecosystems looks at biotic and abiotic factors; ecosystem structure; marine and aquatic zones; net primary productivity and biomass; and then discusses the following ecosystems:

~ wetlands
~ estuaries
~ riparian ecosystems
~ coniferous and deciduous forests
~ chaparral
~ desert
~ tundra
~ temperate and tropical grasslands
~ tropical rain forests
DVD
Grades 9-12, College, Adult
30 minutes
2008
 
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