Dandelion seeds are dispersed by the wind and apple seeds require physical movement i.e. animal or water movement.
Another name for dandelion seeds is "dandelion clocks" due to their resemblance to a clock face when they disperse in the wind.
A apple seed is much larger than a dandelion seed.
it has 1
The wind
They spread by blowing through a summer breeze. (a.k.a- they spread by wind)