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20 questions
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
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.
What are the characteristic of the seeds dispersed by man and animals?
A: Can float on water
B: Sweet and juicy
C: Have hooks or stiff hairs
D: Have wing-like structures and are light
A and B only
B and C only
C and D only
A, B and C only
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: Throw fruit in the air and see the wind blows it.
D: Cut the fruit to see if it contains water.
A
B
C
D
State the characters ideal for dispersion by wind.
Small, light and hair-like
Small, light and sharp hooks
Big, light and fibrous husk
Big, light and explode
How are coconuts dispersed?
by animals
by water
by wind
How are raspberries dispersed?
by animals
by explosion or bursting
by water
My pod splits open and seeds are thrown out with a force. What is likely my dispersal method?
wind
water
animals
explosion
How are dandelion seeds dispersed?
by animals
by explosion or bursting
by wind
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
How are bur seeds dispersed?
By wind
By animal
By splitting
By water
The transfer of pollen from flower to flower is called..
seed dispersal
pollination
fertilisation
germination
What are the characteristic of the seeds dispersed by man and animals?
A: Can float on water
B: Sweet and juicy
C: Have hooks or stiff hairs
D: Have wing-like structures and are light
A and B only
B and C only
C and D only
A, B and C only
What does an ovule become when it is fertilised?
a seed
a sprout
a fruit
it stays an ovule
Why is fruit formed around an apple seed?
Fruit is formed around the seed to provide food for the seed.
Fruit is not formed around the seed.
Fruit encourages animals to eat the seed and excrete it elsewhere.
Plants like to feed animals.
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