Answer:
Basically, the pour plate technique can be used to determine the number of microbes/ mL in a specimen. It has the advantage of not requiring previously prepared plates, and is often used to assay bacterial contamination of food stuffs.
Explanation:
Prokaryotic cells because they don't have a nuclei.
The ileocecal valve guards the passageway between the ileum and the cecum
<span>The death of all the producers in a community would affect the carbon and oxygen cycle. </span>There would be no photosynthesis, so there would be an excess of carbon dioxide and not enough oxygen.