What method did researchers use to estimate the number of undiscovered tree species?
The Couch Candy Protocol

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Geography, Science, Biology
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11th Grade - University
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Hard
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5 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the estimated number of undiscovered tree species mentioned in the text?
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3.
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3 mins • 1 pt
How many tree species have been identified so far according to the text?
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4.
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3 mins • 1 pt
What does the Couch Candy protocol suggest about our knowledge of tree species?
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5.
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3 mins • 1 pt
Why might our lack of knowledge about the natural world not be surprising?
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