What is the BEST definition of biodiversity?

Question

the organisms that work to break down dead plants and animals

a variety of different kinds of life, such as different plants and animals

all of the land features in one area, such as mountains, valleys, etc.

one type of animal, such as the pika, that lives in a specific environment

Answer 1

The BEST definition of biodiversity is a variety of different kinds of life, such as different plants and animals. This definition encapsulates the concept of biodiversity as it refers to the diversity of species, genetic variations, and ecosystems within a specific area or globally.