SEED DISPERSAL

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SEED DISPERSAL
Seeds can be scattered or DISPERSED in a variety
of ways these include
ANIMAL
WIND
POPPING OUT
Click on each picture to find out more then try
the quiz!
QUIZ
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QUIZ 1

• Select the correct answer
• Seeds dispersed by wind are very ________ so they
  may travel further.
• LIGHT HEAVY SLIPPERY

3
UNLUCKY

• Click below to try again.

4
CORRECT!!

• Well done! These seeds need to be light so that
  the wind can carry them as far away from the
  parent plant as possible. This gives them a
  greater chance of finding the correct conditions
  in which to grow.

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QUIZ 2

• How are horse chestnut seeds dispersed? (You may
  know these as conkers)
• WIND ANIMAL POPPING OUT

6
CORRECT!!

• These seeds come inside protective spiky cases.
  When the seed is fully grown it causes the case
  to pop open and the seed is scattered. This is
  also what happens to peas and beans.

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QUIZ 3

• Seeds dispersed by animals are often surrounded
  by________ which encourages animals to eat them.
• GRASS FRUIT INSECTS

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CORRECT!!

• Animals are tempted to eat seeds with the tasty
  fruit which surrounds them, a good example is the
  blackberry. Once the fruit is eaten, the seeds
  pass straight through the animal and are
  deposited on the ground in their very own grow
  bag of fertilizer!

9
UNLUCKY!

• These seeds are far too big to be swallowed whole
  by animals and transported to other places.
• Click here to try again.

10
UNLUCKY!

• Click here to have another go.

11
UNLUCKY!

• Click here to try again

12
UNLUCKY!

• Horse chestnut seeds or conkers are far too heavy
  for the wind to blow!!
• Click here to try again.

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POPPING OUT

• Seeds which pop out are scattered by the force of
  the pop.
• Plants produce many more seeds than will ever
  actually grow because of the small number which
  will succeed.

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WIND DISPERSAL

• Wind dispersed seeds are very light so they may
  be carried further by the wind.
• It is important for a seed to be taken away from
  the original plant in order for the conditions to
  be right for it to grow.

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ANIMAL DISPERSAL

• Seeds dispersed by animals are surrounded by
  fruit which encourage animals to eat them.
• Animal dispersed seeds are carried far from the
  original plant and are covered by fertilizer.
• The term animal dispersal also includes birds.