What Do You Know About Biodiversity? Test your knowledge about the variety of life on Earth with this quiz. 10 Questions by AMNH_Official 04/27/2018 answers Play What is biodiversity? the animals that live only in rainforests the animal and plant species that live only in your backyard the rich variety of life in every ecosystem on Earth What is interdependence between species? when two species need each other to survive when two species don't want to live near each other when young animals want to be able to live on their own Why do we need biodiversity? it gives us food, water, air, and much more it makes our world unique, and it makes us happy all of the above … and 7 more awesome questions! Check them out by clicking “Play”.