An extreme disturbance happens in an ecosystem. How does an ecosystem
change as succession happens after this disturbance?

A. There is less biodiversity in the ecosystem.

B. Biodiversity in the ecosystem increases.

C. The population of most species decreases.

D. The ecosystem has more keystone species.

B Biodiversity in the ecosystem increases

Explanation:

Species diversity is higher at intermediate disturbance frequency due to a mix of ... Only at intermediate levels of disturbance do a mix of colonizers and ... disturbance most commonly decreases species diversity as it increases in ... Quantifying the evidence for biodiversity effects on ecosystem functioning and services.

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just finished the test, the answer is d, greg is the least cost-effective because he charges the most for the project