GRADES

Tuesday, 14 February 2017

THE LARGEST TREES ON EARTH: SEQUOIAS

Giant sequoias are the largest trees on Earth. They can reach up to 90 metres in height and up to 12 metres in diameter. They can live up to 3,000 years, making them some of the oldest living things on Earth.
Sequoias trunks have fibrous, thick bark with no resin, which makes them resistant to fire. In fact, sequoias depend on forest fires to reproduce: heat from fires makes their seed cones open and release their seeds. Fires also help to clear the ground and facilitates germination.



QUESTIONS:
- What type of plants are sequoias?
- What makes them so spectacular?
- Why are they so resistant to forest fires?
- How do fires help sequoias reproduce?
- Have you ever seen a giant sequoia?

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