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Ask Dr. Universe: How long can trees live?

dr-universe-logoEVERETT, Wash. – As I was hiking through the bristlecone pine forests of the Sierra Nevada recently, I stumbled upon a tree barely six inches tall.

It was growing – slowly, but surely. I was surprised to find this tiny pine tree was already about 40 years old.

tree-ringsSome trees will stop growing once they reach that age. But others live much longer. In fact bristlecone pine trees aren’t just the oldest trees, they are some of the oldest living things on our planet. They can live for about 5,000 years.

“These trees were growing when the Egyptians were building the pyramids,” said my friend Kevin Zobrist, a forester with Washington State University Extension in Everett.

Read all of this answer from Dr. Universe at https://askdruniverse.wsu.edu/2016/11/04/how-long-can-trees-live/.

 

A service of Washington State University, Ask Dr. Universe answers some of the most interesting, tough and smart questions from curious kids all around the world.

 

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