In some areas trees will synchronize every few years to release more seeds than seed-eating animals can possibly eat. In these “mast years,” there are hopefully enough leftover seeds for more trees to grow.

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How Can Some Trees Survive for Thousands of Years?

Some of the oldest living things on our remarkable planet are trees. The record holders are bristlecone pines of the western United States, quite a few of which are known to be more than 3,000 years old. One individual, discovered in 2012, is estimated to be more than 5,060 years old, making it the