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WorksheetsSeed Dispersal
Total questions: 14
Worksheet time: 8mins
The purpose of seed dispersal is for the seeds to __________.
germinate at the same time
move to the same place and grow
move further away from the parent plant
compete with one another for minerals in the soil
How are dandelion seeds dispersed?
by animals
by explosion or bursting
by wind
How are angsana seeds dispersed?
By wind
By animal
By splitting
By water
Why are angsana seeds able to be dispersed by wind?
It is light and has wing-like structure
It is juicy and edible
It has a fibrous husk that makes it float
It has dry pods that split open
Why are grape seeds able to be dispersed by animals?
It is light and has wing-like structure
It is juicy and edible
It has a fibrous husk that makes it float
It has dry pods that split open
What are the characteristics of fruits that are dispersed by animals?
Have latex and juicy
Edible and have hooks
Light and have the atrractive colour
Small and have the spiral shape
In this pod,it splits open and seeds are thrown far away from my mother plant. What is likely my dispersal method?
By animal
By explosive mechanism
By water
By wind
What is the effect of explosive mechanism to this plant?
The seedlings will grow far from the okra plant
Causes the seedlings become crowded
Plants are not be able to mantain their species
The seeds are not growing
How does a coconut tree disperse its seeds?
Water
Wind
Animals
Explosion
State the method of dispersal for this seed/ fruit.
Wind
Animal
Water
Splitting Action
A mystery fruit was said to be dispersed by water.
How can one confirm this statement?
A: Place the fruit on water to see if it floats.
B: Find the mass of the fruit by putting it on a weighing scale.
C: Cut open the fruit to see if it has a fibrous husk.
D: Cut the fruit to see if it containts water.
A and B only
B and D only
A and C only
C and D only
Why are shorea seeds able to be dispersed by the wind?
It is light and has wing-like structure
It has hooks to hook onto the fur of animals
It has a fibrous husk that makes it float
It has dry pods that split open
Why are bur seeds able to be dispersed by animals?
It is light and has wing-like structure
It has hooks to hook onto the fur of animals
It has a fibrous husk that makes it float
It has dry pods that split open
Why it is better for seeds to be scattered far and wide?
To provide shelter to other animals.
For farmers to see which soil is good for the plants.
For plants to have a better chance of growing healthier.
