Biological classification...... Question....

Dear Student, 
1. Denitrfying bacteria- Thiobacillus denitrificans
2. Dairy industry- Lactic acid bacteria (LAB)
3. Food poisoning- Staphylococcus aureus 
4. Vinegar production- Acetobacter aceti
5. Nitrogen fixation-  Cyanobacteria
Regards