Multiple Choice
Why is it so difficult for scientists to know how many species have already been described?
A) Scientific journals do not publish accounts of new species.
B) There isn't one location for cataloguing all species.
C) Scientists are too busy testing hypotheses to investigate the number of species on Earth.
D) Many species are microscopic, so they are difficult to study.
Correct Answer:
Verified
Correct Answer:
Verified
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