Biodiversity is the variety of life forms that exist or existed in the past.

True
False

True

True.

True. Biodiversity refers to the variety of all living organisms, including plants, animals, fungi, and microorganisms, as well as the ecosystems in which they exist. It encompasses the genetic, species, and ecosystem diversity on Earth. The concept also acknowledges the dynamic nature of biodiversity, as it includes both the current and past diversity of life forms. To verify the accuracy of this statement, you can refer to scientific literature, biology textbooks, or reliable online sources that explain the concept of biodiversity.