Ecosystems Project Links
Ecosystems (Windows to the Universe)
The Virtual Zoo—Habitats and Biomes
PBS Secrets of the Ocean Realm: Sea Dwellers
National Geographic Explorer (For your animal highlight)
Symbiotic Relationships:
Rainforest Symbiotic Relationships
Scroll down to third paragraph.
Human Impact:
Click on "Why are rainforests disappearing?" and "How can we save rainforests?"
Scroll down to "Threats to Deserts of the World"
Food Webs: