Solved UPSC CDS/OTA Question
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Q · BiodiversityMedium · 45s
Which one of the following best describes the term 'Keystone Species'?
TopicBiodiversity
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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A keystone species has a disproportionately large effect on its ecosystem relative to its abundance. Example: Tiger in a forest ecosystem.
Final Answer: Option C - Species that play an important role in maintaining ecosystem structure