The greater an ecosystem's the more likely it is that some organisms could survive catastrophic environmental changes. a. species diversity b. producer population c. water availability d. carrying capacity

I wanna say species diversity

A. Species Diversity. The reason this is the answer is that the more diversity the more chances there is some organisms that can handle a catastrophic event. For example, an extreme wildfire can actually help certain rare wildlife to GROW. I hope this information helped you! :)

a and b