alleryThe variety of living organisms — from microscopic algae to giant trees, on land and in oceans — is called:
AClimate
BHabitat
CBiodiversity
DEcosystem
Answer & Solution
Correct answer: C. Biodiversity
Biodiversity = biological diversity.
It refers to all life forms on Earth at every scale — species variety, genetic variety within species, and ecosystem variety.
Biodiversity is essential for the functioning of ecosystems and the well-being of humans.
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