In times of environmental upheaval, how do communities of organisms respond? When entire species are wiped out, do surviving species move in and take over, or do new species immigrate to fill the gaps ...

'These are times of major changes in the environment, and how those changes impact the organisms is relevant to understanding our current environment and environmental changes' Brachiopod fossils from ...

Studying mass extinction events from the past can build our understanding of how ecosystems and the communities of organisms within them respond. Researchers are looking to the Late Devonian mass ...