Botanists have tried to understand the conditions that led to the evolution of the first flowers by reconstructing the niches from which the earliest flowering plants diverged.
Alpine oceanic ecosystems are considered amongst the most ephemeral and restricted habitats, with a biota highly vulnerable to climate changes and disturbances. As an example of an alpine insular endemic, Rodríguez...
A study of globular succulents at biodiversity hotspots in Mexico and South Africa highlights more climate differences than similarities between hotspots.