You are presented with the question "What animal increases plants genetic diversity?" and the following answer choices: 
- Reproduction
 - Plant reproduction
 - flowers
 - Hummingbirds
 - fish
 - whales
 - sharks
 - animals

Now knowing that cross-pollination increases genetic diversity and insects and hummingbirds are the primary pollinators, choose the best answer.


 

    Hummingbirds     