There is some evidence that seeds require animal dispersal, and that the animals which fed on cycads are no longer around to eat and then disperse seeds.
(seeds; require; animal dispersal) (the animals; fed; T:on cycads) (the animals which fed on cycads; are around; no longer) (the animals which fed on cycads; to eat; )
seeds the animals the animals which fed on cycads the animals which fed on cycads
require fed are around to eat
animal dispersal
T:on cycads
no longer