Why Did Ferns Persist When All Other Plants Perished?
A strange layer in the fossil record contains evidence that fern populations exploded following the mass extinction that ended the Cretaceous period. Scientists want to know why.
Why Did Ferns Persist When All Other Plants Perished?
Why Did Ferns Persist When All Other Plants Perished?
A strange layer in the fossil record contains evidence that fern populations exploded following the mass extinction that ended the Cretaceous period. Scientists want to know why.
A strange layer in the fossil record contains evidence that fern populations exploded following the mass extinction that ended the Cretaceous period. Scientists want to know why.
The University of South Alabama professor, who died of complications related to COVID-19, reconstructed the historic range of plants that once grew in the southeastern US.