A) biota
B) biome
C) ecotone
D) biosphere
Correct Answer: D
Solution :
Biosphere is the part of the earth and its atmosphere which is inhabited by living organisms. Biota is the flora and fauna together, ie, all the living organisms at a location at a time. Biome is a major terrestrial, climatically controlled, regional ecological complex, eg, tropical rainforests, coral reefs and grasslands. Ecotone is the transition zone between two or more communities.
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