Fact 1: If seeds stick to the fur of an animal then that seed will be transported by the animal.

Fact 2: Animals with fur can also help trees disperse their seeds.

Given the two facts above, answer the question "trees can be dispersed by" with the following options: 
- insects
 - heat energy
 - gene flow
 - mutations
 - wind speed
 - animal fur
 - Movement
 - sun's heat


 

      animal fur   