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In phylogenetics, a plesiomorphy ("near form") and symplesiomorphy are synonyms for an ancestral character shared by all members of a clade, which does not distinguish the clade from other clades. Plesiomorphy, symplesiomorphy, apomorphy, and synapomorphy all mean a trait shared between species because they share an ancestral species.
Shared ancestral character states, symplesiomorphies, represent either synapomorphies of a more inclusive group, or complementary states (often absences) that unite no natural group of organisms. For example, the presence of wings is a synapomorphy for pterygote insects, but a symplesiomorphy for holometabolous insects.
Robert R. Sokal published four succeeding papers about them, titled "A Phylogenetic Analysis of the Caminalcules." [ 1 ] [ 3 ] [ 4 ] [ 5 ] These papers included the complete set of living and fossil species, as well as their cladogram, which Sokal had received from Camin in 1970.
Symplesiomorphy – an ancestral trait shared by two or more taxa. Plesiomorphy – a symplesiomorphy discussed in reference to a more derived state. Pseudoplesiomorphy – a trait that cannot be identified as either a plesiomorphy or an apomorphy that is a reversal. [15]
The Empowered Holistic Nursing Education (EHNE) nursing theory is a middle range nursing theory that was developed between 2008 and 2014 by Dr. Katie Love. It is particularly used In undergraduate level nursing education, where students are first being socialized into nursing professional practice. [1] [2]
Since plagiarism is a form of academic dishonesty or academic fraud, universities and colleges may investigate papers they suspect are from an essay mill by using plagiarism detection software, which compares essays against a database of known mill essays and by orally testing students on the contents of their papers.
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In 1930, Hennig skipped a year, and graduated on 26 February 1932. As early as 1931, Willi Hennig composed an essay entitled Die Stellung der Systematik in der Zoologie ("The state of systematics in zoology") as part of his school work, published posthumously in 1978. It showed his interest as well as his deliberate treatment of systematic ...