View the animation below, then complete the quiz to test your knowledge of the concept.

1		How common are food spoilage microorganisms?
			A)	they are extremely rare
			B)	almost none of our foods contain them
			C)	a few of our foods contain them
			D)	almost all of our foods contain them
2		The most common organisms causing food spoilage are bacteria,
			A)	yeasts and insects.
			B)	yeasts and molds.
			C)	molds and insects.
			D)	insects and parasites.
3		This animation shows that food spoilage microorganisms can be classified by their
			A)	growth temperature preferences.
			B)	growth time preferences.
			C)	growth moisture preferences.
			D)	food source.
4		By keeping food cold the growth of microorganisms is
			A)	increased.
			B)	not changed.
			C)	minimized.
			D)	stopped and they are killed.
5		In this animation, on which day does the room temperature orange begin to show spoilage?
			A)	day 0
			B)	day 4
			C)	day 8
			D)	day 12