Fossil discovery adds to understanding of how geological changes affected evolution of mammalian life

The discovery of fossil teeth from two marsupial species that lived 43 million years ago on what was at that time an island provides key insights into the influence of geological changes on the evolution of mammals, according to newly published research funded by the National Science Foundation (NSF).
The dominant model for understanding animal movement is that the most important factors are an island's size and its distance from the colonizing animals' territory. However, the ... More at https://www.nsf.gov/news/news_summ.jsp?cntn_id=296999&WT.mc_id=USNSF_51&WT.mc_ev=click
This is an NSF News item.

Source: NSF News - November 14, 2018 Category: Science Source Type: news