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Redwood Tree Trivia Questions

How much do you really know about Redwood Tree? Below are 8 true or false statements. Click each one to reveal the answer and explanation.

1.

Redwood trees are the tallest living things on Earth.

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Easy
✓ TRUE

The coast redwood (Sequoia sempervirens) holds the record for tallest tree, with Hyperion reaching 379.7 feet—taller than any other known organism.

2.

Redwoods can only grow in California.

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Easy
✗ FALSE

Coast redwoods are native to California and Oregon, and while they thrive there, they have been successfully planted in other regions with similar climates.

3.

Redwoods rely on a deep taproot to anchor their massive height.

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Medium
✗ FALSE

Redwoods actually have a shallow, wide-spreading root system that extends up to 100 feet from the trunk, intertwining with other redwoods for stability.

4.

Redwoods produce cones that are smaller than a marble.

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Medium
✓ TRUE

Redwood cones are only about an inch long, roughly the size of a marble, and contain tiny seeds smaller than a sesame seed.

5.

Redwood wood is naturally resistant to rot and insects.

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Medium
✓ TRUE

Redwood contains natural oils and tannins that make it highly decay- and insect-resistant, which is why it's prized for outdoor construction.

6.

Redwood bark can be over a foot thick and is surprisingly fire-resistant.

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Medium
✓ TRUE

Redwood bark can indeed exceed 12 inches in thickness and contains tannins that make it highly resistant to fire, helping the trees survive wildfires.

7.

Redwoods are closely related to giant sequoias and can hybridize with them.

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Hard
✗ FALSE

Though both are in the cypress family, redwoods and giant sequoias are different genera and cannot interbreed naturally.

8.

The oldest known redwood is over 3,000 years old, predating the Roman Empire.

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Hard
✓ TRUE

The oldest living redwood, named CBR26, is about 3,200 years old, meaning it was already ancient when the Roman Empire rose.

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