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					Seed Dispersal

Reproduction in plants — getting the flowers pollinated
Plants have adaptations to help them in pollination. Flowers that are pollinated by animals are usually large and colourful. They also have nectar and a fragrance so that the animals are attracted to them.

flower pollinated by animals

Reproduction in plants — getting the flowers pollinated
Plants have adaptations to help them in pollination. Flowers that are pollinated by wind are usually small, plain and without fragrance because they do not need to attract animals.
flower pollinated by wind

Reproduction in plants — getting the seeds dispersed

Flowering plants have different adaptations to enable their seeds to be dispersed as far away as possible. The different methods of seed dispersal are… by wind by animals by water by splitting open forcefully

Reproduction in plants — getting the seeds dispersed
What are the adaptations that help these fruits/seeds to be dispersed? Dispersal by wind small light dry wing-like

shorea angsana

Reproduction in plants — getting the seeds dispersed
What are the adaptations that help these fruits/seeds to be dispersed?
Dispersal by animals (eaten) bright colours sweet juicy
tomato Dispersal by animals (carried) small hooks stiff hairs

How about lovegrass? How does it disperse?

Reproduction in plants ― getting the seeds dispersed
What are the adaptations that help these fruits/seeds to be dispersed?
Dispersal by water buoyant waterproof air spaces coconut Dispersal by splitting open dry and hard fruit wall saga

At a glance…
Adaptations for reproduction plants
seed dispersal by wind by water by animals by splitting open
Fruits/seeds • dry and hard fruit wall Fruits/seeds small light dry wing-like

Fruits/seeds buoyant waterproof air spaces

Fruits/seeds brightly coloured sweet juicy

Fruits/seeds small hooks stiff hairs


				
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posted:11/8/2009
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