Origin: Greek prefix bio-
Biodiversity has 2 different meanings across 1 category:
the diversity of plant and animal life in a particular habitat (or in the world as a whole)
"a high level of biodiversity is desirable"
The diversity (number and variety of species) of plant and animal life within a region.
"The rainforest is renowned for its incredible biodiversity, hosting thousands of unique plant and animal species in a relatively small area."
In plain English: Biodiversity is the variety of different living things found on Earth, including plants, animals, and microorganisms.
"The rainforest is famous for its incredible biodiversity, hosting millions of different plant and animal species."
Usage: Biodiversity refers specifically to the variety of different plant and animal species found in a particular area, not just their total population numbers. Use this term when discussing ecological richness or conservation efforts rather than general counts of living organisms.
The word biodiversity is a modern combination of the prefix bio- and the noun diversity. It was coined to describe the variety of life found within an ecosystem or across the globe.