Types of Seed Dispersal: Dispersal by wind Dispersal by wind
Dispersal by water Dispersal by animals Dispersal by splitting
Slide 5
Dandelion seeds use their light and feathery structures to stay
afloat in the air Maple seeds are aided by their light and wing-
like structures.
Slide 6
Dandelion seeds Maple seeds
Slide 7
1.The coconut, which has a fibrous husk and can float on water
with air sacs that contain air, disperses its seeds by water. 2.The
pong pong disperses its seeds with its ability to float on
water.
Slide 8
Slide 9
1.The sandburs fruits have hooks that cling on to passing
animals and humans. 2. The rambutan is juicy and colourful so it is
eaten by animals.
Slide 10
The hooks on this plant cling onto passing animals and socks.
The colour and juicy flesh of rambutans attract predators.
Slide 11
1. The river tamarind has a hard exterior which bursts open
when the fruit is ripe. 2. The ladys finger has a pericarp, which
is a lining along the walls of the fruit, which cracks, causing the
ladys finger fruit to burst open. 3. The african tulip works like
the river tamarind.
Slide 12
Hard exterior The soft outer layer hardens and pericarp, which
is inside, cracks.