The variety of plant and animal species living in a particular habitat or in the world.
“The new nature reserve was created to protect the region's biodiversity.”
“Scientists warn that habitat destruction is reducing biodiversity in coastal areas.”
In Part 3 environmental articles, 'biodiversity' is a key topic word often paired with conservation or ecosystem discussions. Since it signals a paragraph focused specifically on species variety or ecological health, it can help you match questions asking about habitat loss or environmental protection.
Synonyms: species diversity, ecological variety, natural variety