Traits that make them useful in nature and foods. B22-B29 Detailed study of bacteria genera. B30 Introduction to advanced isolation of bacteria B31 Isolating more bacteria from dairy foods. B32-B39 Enrichment cultures and other methods for isolating bacteria from foods and nature. Include advanced home canning and fermentations here.
Phages offer a cheap, safe way to study viruses.
Since some phages can complete a generation in 20 minutes, phages are superb for genetics and many other studies. They are easily isolated from most wet environments. They are plentiful in milk, water, soils, sewage, oceans, lakes, and streams. P1 Phage experiments using household items. However agar is practically required.