Seeds can reach new places in different ways. Wings or hairs can help some travel on the wind. Hooks can catch on an animal's outer coat. Some fruits or seeds float and move with water. A useful structure is a clue, not a promise that every seed reaches a suitable place to grow. Some animals also spread seeds after eating fruit and passing intact seeds elsewhere.
Plants, animals and ecosystems · Discover & try
How can a seed travel away from its parent?
Reading level 1 of 5 · EarlyChange
Word help
dispersal
Movement away from the place a seed formed.
buoyancy
The support that can allow an object to float in a fluid.
Watch · Try · Explain
See how it works
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Selected dispersal mechanisms with imagined paths; no real travel distances or germination success are predicted.
What to look for
- Structures interact with carriers
- Several routes can exist
- Arrival does not guarantee growth
Explain what you noticed
A bird eats berries, then passes intact seeds in its droppings away from the plant. Which dispersal route does this show?
Keep this idea: Match a structure with a possible carrier, then distinguish travel from establishment.
Follow the sources
- U.S. Forest Service — Woody Plant Seed Manual: Seed Biology
- U.S. Forest Service — Seed Dispersal: Weed Wackers Educators Guide
- USDA Forest Service — Seed Dispersal by Animals
Source material checked 2026-10-28. Explanations and activities by Nepedia. Source links do not imply endorsement.
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