Q: You are presented with the quiz "Some birds are pollinators that co-evolved with what organisms?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "some birds are pollinators that co-evolved with plants" and "plants spread by self- seeding and below ground stems". So, what's the best answer to the question?

Choose your answer from:
1). mammals
2). animals
3). self eating
4). peachleaf willow
5). self seeding
6). self destructive
7). selfies
8). scarce resources
The answer is:
5).