Biodiversity (noun)

1. The variety of different types of life in a given ecosystem, habitat, or on Earth as a whole.
2. The variety of living organisms and their interactions within an ecosystem.

Origin:

The word biodiversity is a combination of the words bio meaning life, and diversity meaning variety, it refers to the variety of life forms on earth.

Examples:

1. The rainforest is known for its high biodiversity.
2. Biodiversity is important for maintaining ecosystem services.
3. The loss of biodiversity is a major environmental concern.
4. Biodiversity includes not just the variety of species, but also genetic diversity within species.
5. Protecting biodiversity is essential for maintaining a healthy planet.