The correct answer is C because it speaks of organisms
The primary cause of foodborne illness in north america is due to ingested bacteria.
The major pathogenic bacterial species are: Salmonella, E.coli, Campylobacter, and Staphylococci
If you don't use them they get stored as glycogen, for later use. buy if you're not active, it can lead to obesity.
Because they fall under the category of kingdom protista....these organisms are eukaryotes (they have a definite nucleus)..therefore its not classified as bacteria because bacteria doesnt have a definite nucleus