D. Place a star at the most recent common ancestor that A-D share.E. Place a triangle at the most recent common ancestor that A-E share. Reading Phylogenetic TreesPhylogenetic trees and cladograms can be represented in a variety ofways. For example, look at the three cladograms below; each is a differentshape, but they each represent the same evolutionary history. It might bedifficult to see at first that these three phylogenetic trees contain the sameinformation. Think of trees as flexible, rather than rigid structures. Forexample, phylogenetic trees can be rotated, twisted, or bent withoutchanging the information it contains. As you become more familiar withtrees, this will become clearer.AА вс DEAвс D ЕEDirections:To help you see the similarities between each tree above, you will beusing colors and shapes to highlight the different parts of EACH tree. ForEACH of the three trees do the following:

Answer. In phylogenetic studies, the most convenient way of visually presenting relationships among…

Answered: D. Place a star at the most recent…

D. Place a star at the most recent common ancestor that A-D share. E. Place a triangle at the most recent common ancestor that A-E share

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter24: Systematics And Phylogenetics: Revealing The Tree Of Life

Section: Chapter Questions

Problem 1ITD: The phylogenetic tree for 12 cat species (Felidae) reproduced at right was assembled from molecular...

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Concept explainers

Genetic Evolution

Sexual reproduction produces distinct population variations. Heredity determines the traits and qualities to be passed down to the progeny. Over time, this variation within-species is also affected by the process of human evolution. The study of how genetic variation leads to evolutionary changes is known as genetic evolution. If a trait helps an organism to survive and reproduce, it is more likely to be passed down the generations. It is rare that such traits result in a completely distinct set of traits in descendants than the ancestral population; this can result in the emergence of a new species.

Question

D. Place a star at the most recent common ancestor that A-D share. E. Place a triangle at the most recent common ancestor that A-E share.

Reading Phylogenetic Trees
Phylogenetic trees and cladograms can be represented in a variety of
ways. For example, look at the three cladograms below; each is a different
shape, but they each represent the same evolutionary history. It might be
difficult to see at first that these three phylogenetic trees contain the same
information. Think of trees as flexible, rather than rigid structures. For
example, phylogenetic trees can be rotated, twisted, or bent without
changing the information it contains. As you become more familiar with
trees, this will become clearer.
A
А вс DE
A
вс D Е
E
Directions:
To help you see the similarities between each tree above, you will be
using colors and shapes to highlight the different parts of EACH tree. For
EACH of the three trees do the following:

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Find a current, credible phylogenetic tree representing any group of organisms (your choice)! Draw that tree and on it indicate nodes, synapomorphes, monophyletic, polyphyletic, and paraphyletic groups (make sure the image you choose is complex enough to show all these groups). Below your drawing, in paragraph form, describe the relationships of four of the members on your tree based on how a phylogenetic tree is interpreted
Construct a cladogram that provides one hypothesis about the evolutionary history for these 6 taxa. Be sure to map each of the character states for every taxon represented in the character matrix. See tips below to help get you started. You can insert a photo of a hand drawn cladogram or create one on your device. Keep in mind that cladograms are hypotheses, there are many different cladograms that can be constructed. a) Which characteristics were identified as homoplasies on your cladogram? b) Now that your tree has been constructed, how confident do you feel in your hypothesis and why?
Construct a cladogram that provides one hypothesis about the evolutionary history for these 6 taxa. Be sure to map each of the character states for every taxon represented in the character matrix. See tips below to help get you started. You can insert a photo of a hand drawn cladogram or create one on your device. Keep in mind that cladograms are hypotheses, there are many different cladograms that can be constructed. a) Which characteristics were identified as homoplasies on your cladogram? b)
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