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Our Learning Issue: What are the different ways of dispersing seeds ?

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Presentation on theme: "Our Learning Issue: What are the different ways of dispersing seeds ?"— Presentation transcript:

1 Our Learning Issue: What are the different ways of dispersing seeds ?

2 Plants need to disperse seed There are many ways of dispersing seed We are going to explain the types of method to disperse seeds.

3  Fruits suddenly split open  Throwing seeds at the same time  Throw seeds in all directions  Kinds of plants are peas and laburnum

4  Some fruits are adapted to catching the wind  And also being blown away  Sycamore ‘helicopters’ and dandelion ‘clocks’

5  Poppy seed heads, when dried up by the sun, have little holes  The holes are around their top  (like a pepper shaker)  These shake when windy  And lets out seeds  Number of seeds are let out

6  Some fruits have little tiny hooks  Like burdocks and cleavers  These little hooks catch on passing animals.  If animals brush against the plant get carried away

7  Lots of fruits are tasty to animals and also humans  Like apples, blackberries and gooseberries.  When an animal eats these fruits, the little seed are not digested and unharmed and also surrounded by fertilizer

8  Casing of the fruit from trees land on the ground  Like horse chestnuts  The fruit then roll away from the tree

9  http://www.youtube.com/watch?v=- xYVSfFX8n8&feature=player_detailpage http://www.youtube.com/watch?v=- xYVSfFX8n8&feature=player_det

10  What are two ways of dispersing seeds?  Answer: Drop and Roll, Animal Food,  Catching A Lift, Shakers,  and Splitting  ( two of any )

11  What are the plants that disperse by the wind method ?  Answer : Sycamore ‘helicopters’ and dandelion  ‘clocks’

12  Finish this sentence :  These little ______ catch on passing animals.  Answer : hooks

13 Thank you for your kind attention. GOODBYE !!


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