Give an account of any four sources of data for plant systematics.
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Plant systematics is a science that includes and encompasses ... or more taxa and was present in their most recent common ancestor but not in earlier generations. ... Phenetics: Phenetics does not use evolutionary data but rather an ... The use of morphology may need to take into account that unrelated ...
Biological systematics is the study of the diversification of living forms, both past and present, ... 1 Branches and applications; 2 Definition and relation with taxonomy; 3 Taxonomic characters; 4 See also; 5 References ... for the organisms, keys for their identification, and data on their distributions, .... Plant Systematics
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Biological systematics is the study of the diversification of living forms, both past and present, and the relationships among living things through time. Relationships are visualized as evolutionary trees (synonyms: cladograms, phylogenetic trees, phylogenies). Phylogenies have two components: branching order (showing group relationships) and branch length (showing amount of evolution). Phylogenetic trees of species and higher taxa are used to study the evolution of traits (e.g., anatomical or molecular characteristics) and the distribution of organisms (biogeography). Systematics, in other words, is used to understand the evolutionary history of life on Earth.