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Published byIlene Nichols Modified over 9 years ago
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Our Learning Issue: What are the different ways of dispersing seeds ?
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Plants need to disperse seed There are many ways of dispersing seed We are going to explain the types of method to disperse seeds.
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Fruits suddenly split open Throwing seeds at the same time Throw seeds in all directions Kinds of plants are peas and laburnum
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Some fruits are adapted to catching the wind And also being blown away Sycamore ‘helicopters’ and dandelion ‘clocks’
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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
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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
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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
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Casing of the fruit from trees land on the ground Like horse chestnuts The fruit then roll away from the tree
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http://www.youtube.com/watch?v=- xYVSfFX8n8&feature=player_detailpage http://www.youtube.com/watch?v=- xYVSfFX8n8&feature=player_det
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What are two ways of dispersing seeds? Answer: Drop and Roll, Animal Food, Catching A Lift, Shakers, and Splitting ( two of any )
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What are the plants that disperse by the wind method ? Answer : Sycamore ‘helicopters’ and dandelion ‘clocks’
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Finish this sentence : These little ______ catch on passing animals. Answer : hooks
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Thank you for your kind attention. GOODBYE !!
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