Thursday, 1 December 2011


  The oldest living trees are bristlecone pines,some of which are more than 4000 years old.They have a long lifespan ,because they  grow  very slowly and live in cool,dry areas,such as Nevada,Utah and California in USA.

ª    The small, hardy rowan,also known as mountain ash ,grows up to 15m tall.It is most common throughout western and northern parts of the UK.

ª    Chocolate is made by grinding the kernels of cocoa beans to a paste called chocolate liquor.The liquor is hardened in moulds to make chocolate.

ª    The cycads and gingkos of today are the direct descendants of the first seed plants to appear on land.

ª    One orchid flower may produce more than 2 million tiny seeds.An orchid seed needs the help of a fungus to sprout  and obtain food.

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