Which of the following statements is true concerning biodiversity?

Last one - Biodiversity is the diversity of species in an area, which makes an ecosystem better prepared for major changes

Explanation:

If one crop struggles to grow then there will be plenty of others to substitute it. If a prey animal is dying at a faster rate and harder to find, predators can have other prey options and so forth. Biodiversity makes it so ecosystems can get past change.

i think that c)gold was found there

but i am not sure