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Two different monophyletic groups that share common ancestry with each other more recently than either does with other taxa are known as?
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- Name a type of homology that is useful in buildingphylogenetic trees and explain why this kind of homology, andnot others, is usefulA paraphyletic group includes a. an ancestor and all of its descendants. b. an ancestor and some of its descendants. c. descendants of more than one common ancestor. d. All of the choices are correct.Based on the past activities about constructing of phylogenetic trees, how do you distinguish characteristics between primitive and derived characteristics? provide and example to your answer
- Below are phylogenetic trees depicting the relationships among four species, A, B, C, and D. Which of the following statements is correct? Tree (1) and Tree (2) are the same tree. Tree (2) and Tree (4) are the same tree. Tree (2) and Tree (3) are the same tree. All four trees are in fact the same tree. All four trees are in fact different trees.Identify the following in the sample cladogram below: plesiomorphy, symplesiomorphy, synapomorphy, autapomorphy, basal taxa, derived taxa.A cladogram used in a comparison of morphology among taxa had equal length branches, but when looked at in a blast webpage using the given gene sequence, the branches all had different lengths. Why is that?
- Which statement is usually true about phylogenetic trees? a) nodes represent points when traits have evolved b) branch tips that are next to each other are more closely related c) the branching pattern describes the hypothesized evolutionary relationships between the taxa d) the order of the branch tips (left to right) indicates which taxa are more advanced evolutionarilyA- species A and B are considered sister taxa B- A trait unique to species G is best described as a plesiomoephy among all taxa C- A trait unique to species K and L is best described as an apomorphy among all taxa D- A trait in common between species E, F, and G would make them a monophyletic groupIn a phylogenetic tree, Species 1 and 2 are distantly related to one another but are both darkly pigmented. Species 3 which is unpigmented is a sister taxon to Species 2. The common ancestor to all three species is darkly pigmented; thus, this trait in the phylogeny is considered to be a - A. homoplasy. B. synapomorphy. C. apomorphy. D. symplesiomorphy.
- In the figure below, Taxa I, II and III are as follows: A. paraphyletic, polyphyletic, monophyletic B. paraphyletic, monophyletic, polyphyletic C. polyphyletic, monophyletic, paraphyletic D. monophyletic, polyphyletic, paraphyleticWhich of the following best explains the morphological species concept?Butterfly wings and bat wings are ____ structures, while bird wings and bat wings are ____ structures. a. homozygous … heterozygous b. homologous … analogous c. analogous … phyllogenous d. analogous … homologous