Global climate change is correlated not only with variation in extinction rates. but also with speciation rates. However. few mechanisms have been proposed to explain how climate change may have driven the emergence of new evolutionary lineages that eventually became distinct species. https://www.roneverhart.com/Motivo-Tour-Rolling-Upright-Walker-Folding-4-Wheel-Rollator-with-Tray-Cup-Holders-Seat-Storage/