Question Detail
Question
While over 1.4 million animal species have been described, what is the estimated number of species that may yet be discovered?
Correct Answer
Option B is the correct answer.
Detailed Explanation
The text notes that estimates suggest up to 6.8 million more species are awaiting discovery. The value 1.4 million represents those already described, not those remaining.
Hint
Look for the specific estimate provided for undiscovered biodiversity.