Above, a variety of superfoods, including chia, quinoa and flax seed. Chia seeds are small, black or white seeds that come from the plant Salvia Hispanica, which is native to Central America. (iStock) ...

Seed dispersal. Plants disperse their seeds in lots of different ways. Some seeds are transported by the wind and are shaped to float, glide or spin through the air.. Plants growing near a river ...