Answer to Question 1
streptococci
Answer to Question 2
The most commonly used display arrangements are: (1) Repetitionachieves its effect through the repetition of similar items. (2) Stepdisplayed in a progression from smallest to largest, creating a stairstep pattern that is easy for the eye to follow. (3) Zigzagleads the eye back and forth and up and down a display, providing an interesting and continuous line for the eye to follow. (4) Pyramidtriangular arrangement of products with a broad base rising to a center peak. (5) Radiationmerchandis e appears to radiate from a central point.