Thank you for using the Jiskha Homework Help Forum. Herre is something for you:
2. (Broken Link Removed)
3. (PDF file to download):
5. (Part II of #4) http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/N/NitrogenFixation.html
Carnivorous plants (Venus fly traps and pitcher plants) evolved in response to nitrogen poor soil quality.