Which of these bee dances communicates only the information that a food source is nearby?

The answer is round dance. The round dance communicates that a food source is nearby; it does not communicate information about the distance or direction to the food source. Waggle dance communicates information about the direction and distance to food source. In the waggle dance distance to a food source is indicated by the speed of the dance and by the number of waggles. 

Cell division is important to single celled organisms because it allows the cells to reproduce. through cell division, cells make exact copies of themselves. when single celled organisms go through cell division, they make exact copies of themselves which is how they reproduce.