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Aquatic Plant Ecology

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Dispersal Mechanisms of Seeds<br />

Animal<br />

Dispersal Agent &<br />

Adaptations<br />

Chemical attractant<br />

Clinging Structures<br />

Modification<br />

Hooks, Viscous material<br />

colored seed coat<br />

Comments<br />

Sticks to fur/feathers<br />

Eaten by birds<br />

Wind<br />

Size reduction<br />

High Surface/Volume<br />

Ratio<br />

Dustlike seeds<br />

Wings, plumes,<br />

Balloons<br />

Up to Millions/plant<br />

Balloons uncommon<br />

Water<br />

Resistance to sinking<br />

Uses surface tension<br />

Low specific gravity<br />

Hairs or slime<br />

Small Size, Unwettable<br />

Air spaces, Cork, Oil<br />

Submerged transport<br />

Float until wetted<br />

Float long distances<br />

25

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