Fact 1: Population size influences the chances of a species surviving.

Fact 2: Colors of the bees also varies with the species.

Given the two facts above, answer the question "What influences the survival chances of bees?" with the following options: 
- population name
 - the environment
 - the flavor of their honey
 - population size
 - temperature
 - Temperature changing
 - local weather changes
 - the number of stripes


 

    population size     