The flowering plants (angiosperms) represent the most species‐rich clade of land plants, with an estimated 300,000 species distributed across virtually every ecosystem. Phylogenetic diversity captures ...

Evolution is perhaps the most extraordinary story ever told—a tale spanning billions of years that connects every living thing on Earth through an intricate web of shared ancestry. From the tiniest ...

CC0 Usage Conditions ApplyClick for more information. To some extent classification is subjective. Taxonomists differ in the relative importance they ascribe to particular characters and in the degree ...

Micro-organisms constitute a very antique group of living organisms which appeared on the Earth’s surface almost 3000 million years ago. The questions arising from the study of the origin and ...