HELP ME WITH BIOLOGY YALL!! Whichever is the right answer, please explain why. The hint of this question says: The term biodiversity is often used to describe all the features of an ecosystem that, if lost, would diminish the quality of the ecosystem.

It's the last one

Explanation:

All of the other answers mention how the different features either interact with each other or only mention one of the species in an ecosystem, whereas biodiversity isn't about how the species interact or evolve in their habitats but purely the amount of different species that are living in the ecosystem. Hope this helps <3

answer; i believe that the best answer is (secondary cardiac arrest due to