Concept:Biodiversity means the variety of life forms on Earth.
Explanation:The word “biodiversity” is formed from “bio” meaning life and “diversity” meaning variety.
Walter G. Rosen first coined the term in
1985.
Later, E. O. Wilson popularized the concept.
It includes all living organisms and their genetic variation, species variety, and ecosystem types.
The three main levels are:
Genetic diversity – variation in genes within a species.
Species diversity – number and variety of species in a region.
Ecosystem diversity – different ecosystems in a geographical area.
Answer:Walter G. Rosen