Fact 1: Plant requires seed dispersal for reproduction.

Fact 2: Reproductive investment was measured as seed mass, samara size, and dispersal ability.

Given the two facts above, answer the question "What requires investment, seed mass, size and dispersal?" with the following options: 
- plants
 - Species
 - animals
 - coral
 - Oak
 - gene flow
 - Frogs
 - mussels


 

 plants        