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Trees

 
 
Reply Sun 19 Oct, 2014 12:59 pm
How many trees have ever lived on Earth, science the first trees 380 million years ago? I want exact number of trees. Thank you!
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Type: Question • Score: 3 • Views: 704 • Replies: 4
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Lordyaswas
 
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Reply Sun 19 Oct, 2014 01:05 pm
@aleksander3,

232,374,405,323

(232billion 374million 405 thousand 3 hundred and twenty three.)

That figure was correct as at 1.52pm GMT Sunday 19th October 2014.




timur
 
  2  
Reply Sun 19 Oct, 2014 01:20 pm
@Lordyaswas,
Not even close, Lordy.

At this moment on earth, there are around 61 trees per person, which makes a bit more than 400 billion trees.

If one counts an average of 50 years for a tree lifespan, it would make around 300 billion of billions of trees having lived during 380 million years.

roger
 
  1  
Reply Sun 19 Oct, 2014 02:13 pm
@timur,
I think Lordy misread the question and answered as though the question was "How many individual varieties."
timur
 
  1  
Reply Sun 19 Oct, 2014 02:23 pm
@roger,
Well, that case is even worse.

Depending on sources, it's estimated that there are 20 000 to 100 000 different species of trees.

Not counting irony tree, obviously..
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