Currently, scientists estimate there are approximately ______ known species on the planet.
A) 5 million
B) 2 million
C) 100 thousand
D) 500 thousand
Correct Answer:
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Q19: Which evidence shifted fungi from being classified
Q20: Biodiversity hotspots only cover 2.4% of the
Q21: Biodiversity is determined by the number of
Q22: Where are species placed in the hierarchy
Q23: A species is defined as one that
A)
Q25: Of the total number of identified species,
Q26: New species form over time in response
Q27: Major extinction events occur
A) as a result
Q28: Charles Darwin observed multiple species of finch
Q29: The _ model of speciation results in
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