What requires investment, seed mass, size and dispersal?
plants Species animals coral Oak gene flow Frogs mussels
A B C D E F G H
Reproductive investment was measured as seed mass, samara size, and dispersal ability.
Plants require investment, seed mass, size and dispersal. 
What requires investment, seed mass, size and dispersal? (A) plants (B) Species (C) animals (D) coral (E) Oak (F) gene flow (G) Frogs (H) mussels