'Sister groups' diaporamas de présentation

Bell Work

542 views • 26 slides

Kingdoms and Domains

Kingdoms and Domains. The three-domain system. Bacteria. Archaea. Eukarya. The six-kingdom system. Bacteria. Archaea. Protista. Plantae. Fungi. Animalia. The traditional five-kingdom system. Monera. Protista. Plantae. Fungi. Animalia. Based on type of coelom.

418 views • 17 slides

Reading Cladograms

Reading Cladograms. Reading a cladogram : A quick review. A cladogram or evolutionary tree, represents the evolutionary relationships among a set of organisms or groups of organisms, that are believed to have a common ancestor. Tips, Internal Nodes, Edges.

110 views • 10 slides

Systematics

Systematics. Classifying organisms into groups. Why classify?. To create the fundamental database of the science Analogy - classification systems for rocks Big difference - Rocks are on a continuum of composition Organisms fall into discrete groups (species)

143 views • 10 slides

3 handouts Understanding phylogenetic relationships and the evolution of characters

3 handouts Understanding phylogenetic relationships and the evolution of characters brief history of the first 2000 years of biological classification natural groups = monophyletic groups phylogenies are typically dichotomous and reflect history of cladogenesis

98 views • 1 slides