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

Fact 2: Survival is to live, to live means hope.

Given the two facts above, answer the question "What does population size influence on a species?" with the following options: 
- Quality of life
 - their migration pattern
 - their home
 - characteristics
 - Plant reproduction
 - their chance of living
 - their food preference
 - metabolic reaction


 

      their chance of living   