Fact 1: Flowers attract animal pollinators.

Fact 2: Insects are the most common animal pollinators, and bees are the most common insect pollinators.

Given the two facts above, answer the question "Bees and other insects are attracted on purpose by what?" with the following options: 
- colors
 - orchids
 - human food
 - chemicals
 - flowers
 - humans
 - pollen
 - perfume


 

     flowers    