Topic collection
15 articles
Apomorphy and Synapomorphy in Phylogenetic Analysis In the study of evolutionary relationships, scientists use specific terminology to describe how traits change over time. At the heart o...
Read Apomorphy and Synapomorphy in Phylogenetic AnalysisApomorphy and Synapomorphy in Phylogenetic Analysis In the study of evolutionary relationships, scientists use specific terminology to describe how traits change over millions of years. A...
Read Apomorphy and Synapomorphy in Phylogenetic AnalysisStegophilinae: The Specialized Parasitic Catfishes of South America Within the diverse waters of South America lives a unique group of freshwater ray-finned fishes known as Stegophilinae....
Read Stegophilinae: The Specialized Parasitic Catfishes of South AmericaRadiata: The History and Evolution of Radial Symmetry in Animals In the study of animal classification, the term Radiata (or Radiates) once served as a primary category for organisms that...
Read Radiata: The History and Evolution of Radial Symmetry in AnimalsFilozoa: The Evolutionary Link Between Unicellular Organisms and Animals In the vast tree of life, the transition from single-celled organisms to complex multicellular animals is one of t...
Read Filozoa: The Evolutionary Link Between Unicellular Organisms and AnimalsApomorphy and Synapomorphy in Phylogenetic Analysis In the study of evolutionary relationships, scientists use specific terminology to describe how traits change over millions of years. C...
Read Apomorphy and Synapomorphy in Phylogenetic AnalysisApomorphy and Synapomorphy in Phylogenetic Analysis In the study of evolutionary relationships, scientists use specific terminology to describe how traits change over time. At the heart o...
Read Apomorphy and Synapomorphy in Phylogenetic AnalysisClades and the Evolutionary Tree of Life: Understanding Monophyletic Groups In the complex web of biological existence, how do scientists organize the millions of living organisms on Eart...
Read Clades and the Evolutionary Tree of Life: Understanding Monophyletic GroupsSister Groups in Phylogenetics: Defining Evolutionary Relationships In the study of evolutionary history, known as phylogenetics, scientists use complex diagrams to map how different life...
Read Sister Groups in Phylogenetics: Defining Evolutionary RelationshipsSpecies Complexes: The Challenge of Cryptic Biodiversity In the study of biology, identifying where one species ends and another begins is not always straightforward. A species complex is...
Read Species Complexes: The Challenge of Cryptic BiodiversitySister Groups in Phylogenetics: Defining Evolutionary Relationships In the study of phylogenetics—the science of developing evolutionary relationships among biological entities—researcher...
Read Sister Groups in Phylogenetics: Defining Evolutionary RelationshipsClades and the Science of Biological Classification In the study of biology, a clade (from the Ancient Greek kládos, meaning "branch") is a group of organisms consisting of a single commo...
Read Clades and the Science of Biological ClassificationUnderstanding Virus Classification: How Scientists Organize the Viral World Unlike animals or plants, viruses do not fit neatly into the traditional tree of life because they are not cell...
Read Virus Classification and the Systems of Viral TaxonomyThalictroideae: The Diverse Subfamily of the Buttercup Family Within the vast world of flowering plants, the family Ranunculaceae—commonly known as the buttercup family—contains some of t...
Read Thalictroideae: The Diverse Subfamily of the Buttercup FamilyEudicots: The True Dicotyledons of the Plant World From the towering maples of autumn to the bright sunflowers of summer, much of the greenery we encounter daily belongs to a massive grou...
Read Eudicots: The True Dicotyledons of the Plant World