INFO SCIENCE 2
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.