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Questions and Answers
What is the estimated range of the number of species of organisms that exist on earth?
What is the estimated range of the number of species of organisms that exist on earth?
- 500 million to 1 billion
- 1,000 to 10,000
- 5 million to 50 million (correct)
- 100,000 to 1 million
How many species of organisms are estimated to exist on earth?
How many species of organisms are estimated to exist on earth?
- 10,000 to 100,000
- 100 million to 1 billion
- 5 million to 50 million (correct)
- 1,000 to 10,000
What does the text suggest about the diversity of organisms on earth?
What does the text suggest about the diversity of organisms on earth?
- It is impossible to estimate
- It is wide and varied (correct)
- It is limited and uniform
- It is decreasing rapidly
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