Microbes in the Environment. This plate was inoculated with a cotton swab that was wiped over a shower drain.

Fungi usually produce large, "fuzzy" colonies (marked F).

How many colonies are on the plate? How many bacterial colonies?

How many different bacterial colonies are there?

Microbes in the Environment. This plate was inoculated with 500 L of indoor air.

How many colonies are on the plate? How many bacterial colonies?

How many different bacterial colonies are there?