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Essential, Yet Could be Toxic Nitrogen
Have you ever wondered?...
How do scientists determine the size of a species’ population?
What factors lead to growth in a population?
What factors lead to decline in a population?
Baltic Sea Algal Bloom Slideshow
Toxic Algal Bloom YouTube Video
Toxic Algae Invades U.S. Coast YouTube Video
Explore Learning Gizmos: Nitrogen Cycle STEM Case
Nitrogen Cycle Stem Case: Student Exploration
Nitrogen Cycle Stem Case: Google Form
Science Learn Nitrogen Article/Interactive
Pre- & Post-Reading Student Handout
Nitrogen Article Annotation Questions
Yucky Water!: A Water Quality Lab Investigation
Nitrogen Cycle Mnemonic
Nitrogen Cycle A.P.A.K.
UC Davis: Nitrates in the Water