Fact 1: Some birds are pollinators that co-evolved with plants.

Fact 2: Plants spread by self- seeding and below ground stems.

Given the two facts above, answer the question "Some birds are pollinators that co-evolved with what organisms?" with the following options: 
- mammals
 - animals
 - self eating
 - peachleaf willow
 - self seeding
 - self destructive
 - selfies
 - scarce resources


 

     self seeding    