Fact 1: Seed dispersal has a positive impact on a plant.

Fact 2: Humans depend on plants and animals for survival.

Given the two facts above, answer the question "What effect does seed dispersal have on humans?" with the following options: 
- deadly and devastating
 - biological diversity
 - Worse effect
 - Negative effect
 - population movement
 - Unknown effect
 - Positive effect on survival
 - resistance activities


 

       Positive effect on survival  