How does tumbleweed solve the problem of seed dispersal in windy grassland environments?
1 )
By producing lightweight seeds that can be carried long distances by wind
By breaking off its seed-filled shoot that rolls across the landscape, dispersing seeds as it moves
3 )
By developing seeds with specialized structures that attach to passing animals
4 )
By growing tall stalks that elevate seeds above ground-level vegetation for wind dispersal
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