1. The production of a food source by Maples.

2. Adoption of the Maple’s seed like structure for warfare developments. 

3. Hindrance caused by the roots of Maples on other plant formations. 

4. Physical differences which are indicative of maple's gender.  

5. Compositional similarities and distinctions between the leaves of Maples.

6. Common childhood analogy made about the flight of flowers of some Maples. 

7. The primary botanical structure of the majority of Maples.

8. Botanical composition that differentiates between different Maple species.

9. The quantity of flowers that grow in each particular Maple tree type.