Biology is a science of three dimensions. The first is the study of each species across all levels of biological organization, molecule to cell to organism to population to ecosystem. The second ...

Animal systematics and taxonomy constitute the scientific frameworks by which the diversity of animal life is discovered, described and organised. Taxonomy provides the rules and conventions for ...

"This book is dedicated to the memory of G. Ledyard Stebbins (1906-2000), who made significant contributions to understanding systematic and evolutionary botany, and who had a major influence on all ...

Sponges (phylum Porifera) represent the earliest-diverging lineage of multicellular animals, distinguished by their porous bodies, internal skeletal elements and remarkable morphological diversity.

Natural history collections provide an immense record of biodiversity on Earth. These repositories have traditionally been used to address fundamental questions about evolution. The Systematics and ...

Reflections on the history of systematics / Robert E. Kohler -- Willi Hennig's part in the history of systematics / Michael Schmitt -- Homology as a bridge between evolutionary morphology, ...

Orejuela, A., B. Villanueva, S. D. Smith & R. Deanna+. 2023. A new species of Iochroma Benth. (Solanaceae) from the eastern Andes of Colombia. Phytokeys 232: 133-144 ...

Phylogenetics, systematics, and biogeography deal with the identifying, classifying, and understanding the relationships among organisms, including their geographical extent. Methods range from ...

When Mayr outlined several species concepts, including the biological species concept in his 1942 book, he started a new era in species-problem debate. From that point on, Mayr was the major figure in ...