Correct Answer: The variety of life forms in an ecosystem

Solution : The correct answer is (c) The variety of life forms in an ecosystem

Biodiversity encompasses all the different species of plants, animals, and microorganisms, as well as the genetic diversity within each species. It also includes the variety of ecosystems and ecological processes that support life on Earth. Biodiversity is essential for the functioning of ecosystems, providing numerous benefits such as ecosystem stability, nutrient cycling, and the provision of ecosystem services.