Which of the following statements about biodiversity is not true? a. changes to biodiversity never occur naturally. b. changes to biodiversity can lead to a decrease in ecosystem stability. c. changes to biodiversity can positively and negatively affect on an ecosystem. d. changes to biodiversity can lead to an increase in ecosystem stability.

The correct answer would be a. Changes to biodiversity never occur naturally.  

Biodiversity refers to the sum total of a variety of organisms living in a particular area. It includes all the plants, animals, and microorganisms.

The biodiversity of a particular area can be changed naturally as well as by human actions.

For example, natural causes may include natural disasters, forest fires, ecological successions, natural selection et cetera. Man-made actions may include deforestation, urbanization et cetera.

Changes in biodiversity can have negative or positive effects on an ecosystem.

-efficient data acquisition

-medical data processing

-data analysis for research

-voice recognition systems

i think the answer is b.