Show Summary Details

Quick Reference

The first appearance of a new species. Comparing the rate at which new species appear (origination rate) with the rate at which species go extinct (extinction rate) within an ecosystem reveals whether the system was stable (origination = extinction), diversifying (origination > extinction), or losing species (origination < extinction).

Subjects: Earth Sciences and Geography.

Reference entries

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.