Biology
NULL
Medium
Question
So far over _____________ number of species of animals are known?
A
million
B
1 million
C
1
✓ Official correct answer
D
2 million
Community credibility
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A
million
No member explanations yet for this option.
B
1 million
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C
1
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D
2 million
No member explanations yet for this option.
Explanation
Over one million species of animals have been formally described and catalogued by scientists so far, though many more are believed to remain undiscovered.