Multiple Choice
Approximately how many species have we described out of the species alive today?
A) We have described about half of the species on Earth.
B) Apart from the tropics, we have described almost all the species on Earth.
C) We have described only a small fraction of the species on Earth.
D) We have described almost all of the species on Earth.
Correct Answer:

Verified
Correct Answer:
Verified
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