Try our quiz and see if you're a tree mastermind
Here's your chance to find out how much you know about trees. Try our fun quiz and see how many of our questions have you stumped. Be warned - some of the questions are fiendishly difficult!
For 2007, the BBC Autumnwatch campaign aims to raise awareness of the important role trees play in our lives. They're all around us, but how much do we know about them?
We've searched out some fascinating facts about trees for our online quiz. Can you prove your credentials as a tree mastermind by correctly answering all ten questions.
And if we've got you stumped, then maybe it's time to learn a bit more about the UK's woods and forests which are home to more than 1,500 species of tree.
last updated: 03/12/07