Thursday, March 20, 2008
Surmmary of Science unit 5
Today in school,we learn about Reproduction from plant parts.The are many kind of ways to reproduce from various plant parts.There are spores,underground stem,leaves and suckers.Non-flowering plants such as ferns reproduce from spores.Spores are kept in a bag called Spores bag and they are found on the underside of a fern leaf.Example of plants reproduce from spores:Bird nest ferns,Sword ferns and many more. Those plant reproduce by underground stem have buds and leaves,but leaves are not green and they can be scaly and flesly.Example of underground stem :potatoes,ginger ,onion and chestnut.Reproduce by leaves usually thick and flesly .Plants like banana and pineapples reproduce by producing upright shoot called suckers ,which develop from a certain part of a stem.Suckers grow into a new plant when the parent plant dies.Example of suckers:Sealing wax plam ,heliconia plant,banana tree and pineapple tree.There is a lot of ways to reproduce a plant:stem cutting,leaf cutting, budding and many more.Example of stem cutting:roses,hibiscus and bougainvillea.There are many ways for leaf cutting,you can cut the leaves into half or cut the stem of the plant which is called a full plant.In budding,the bud from one plant is joined to another plant called the stock.Plants have characteristics similar to the parent plants.
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