There are 4 different types of seed dispersal, here are a few:
•water
•explosion
•wind
•animals.
Seeds are found everywhere(all around the world).

Wind:
Seeds are carried away to a new destination by the wind.However,the seeds have to be light,if they are heavy it is more difficult to carry them away.For example,dandilions get carried away by wind easily beacause they are very light.The wind causes the ripe fruits to sway. This causes the seeds to fall out.

Water:
Seeds can also travel by water. They fall of the tree and roll into sea,river,
ocean or lake.This is one way how seeds travel.

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