How did the tree get on to Reddit?

It just logged on...

How many didn't?

Ten. (Shame this one doesn't work too well for reddit - the funniest part of this joke is the third punchline enjoying people struggle to understand what the hell you're talking about.)

What does Reddit share in common with the real world?

A messed up system of karma

Tree Jokes More Tree Jokes

When the lumberjacks sawed down the tree where did the Gorilla hiding in the uppermost branches land?

Nearby - the Ape-lle doesn't fall far from the tree!

Why so the French line their streets with trees?

So the Germans can march in the shade

Log Jokes More Log Jokes

How do the trees get on the internet?

They log on.

What will you find in the toilet of a ship?

The captains log.