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Which is the largest tree?

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Which is the largest tree? Trees are the largest living organisms that live on Earth.The biggest tree is the Californian giant redwood, which grows nearly 100 m high and can have a trunk that is 11 m thick.The total weight of one of these trees is more than 2,000 tones, which is more than 10 times heavier than a blue whale.

These ancient giant trees have very few branches and leaves, and are often scarred by fire and lightning strikes.

A The Californian giant redwood is one of the oldest and largest living things on Earth.

How can you tell the exact age of a tree?

Every year as a tree grows it deposits a new layer of cells on the outside of its trunk, beneath the bark.This new layer is called an annual ring.

By counting the annual rings it is simple to work out the exact age of a tree. Even in the case of a living tree, it is possible to drill into the trunk and remove a sample in order to date the tree without causing any permanent damage.

Which is the oldest tree?

The oldest-known trees are bristlecone pine trees.They grow in the White Mountains in California, in the USA. Although they are quite small, some of these gnarled trees are more than 4,500 years old.The oldest tree is named Methuselah. It is thought to be more than 4,600 years old.

Most conifers are tall, slim trees which naturally grow close together, straight towards the light. Deciduous trees are usually less densely packed and have a more spreading habit. Deciduous trees such as the oak and ash can be readily recognized by their characteristic shape.


Tags: tree, age, conifers



Category: Education  - ( Education Archive)

Date Added: 15 December '11


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