Answered: The phylogenetic tree, or Tree of Life,…

The phylogenetic tree, or Tree of Life, is a hypothesis based on the evidence that suggests all living things are related to each other via common ancestors. Group of answer choices A: True B: False

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter20: Phylogenies And The History Of Life

Section: Chapter Questions

Problem 7RQ: On a phylogenetic tree, which term refers to lineages that diverged from the same place? sister taxa...

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Concept explainers

Evolutionary lineages

An evolutionary lineage is a series of populations of organisms that descend from a common ancestor. Each species in the lineage is the direct consequence of evolutionary change from a common ancestor. A phylogenetic tree is generally used to display lineages visually. Lineages are components of the phylogenetic tree of life. Molecular systematics procedures are widely used to predict lineages.

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8: The phylogenetic tree, or Tree of Life, is a hypothesis based on the evidence that suggests all living things are related to each other via common ancestors. Group of answer choices A: True B: False

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What does the trunk of the classic phylogenetic tree represent? single common ancestor pool of ancestral organisms new species old species
Which statement about the taxonomic classification system is correct? There are more domains than kingdoms Kingdoms are the top category of classification Classes are divisions of orders Subspecies are the most specific category of classification.
To construct a phylogenetic tree by applying the principles of parsimony to molecular sequence data, one would: a. start by making assumptions about variations in the rates atwhich different DNA segments evolve. b. group together organisms that share the largest number ofancestral sequences. c. group together organisms that share derived sequences, matching the groups to those defined by morphologicalcharacters. d. group together organisms that share derived sequences, minimizing the number of hypothesized evolutionarychanges. e. identify derived sequences by studying the embryology of theorganisms.
5 6 7 8 9 A B 10 C 11 12 13 14 15 16 4. The organism circled at the base of a phylogenetic tree is 17 * 18 the simplest organisms among those depicted in the tree. the common ancestor of all the organisms depicted in the tree. the oldest living organism among those depicted in the tree. the modern form of the common ancestor of all the organisms depicted in the tree. 19 20 * 21 *
Please create a phylogenetic (evolutionary) tree given this criteria and follow all points! There are three domains of life - Bacteria, Archaea, and Eukarya. Start by drawing these three main branches. Then add branches for plants, animals, fungi, and protists. When adding all these branches, don't just add them randomly. The branching pattern reflects evolutionary relationships. You should use the relationships/branching patterns. Then add additional branches for • three species of bacteria • three species of archaea three species of plants three species of animals • three species of fungi • three species of protists (single-celled eukaryotes) You can pick any species you want. For each species, be sure to add 1 synapomorphy (shared derived character) that defines the species or group. • Finally, label the tree with all the terms (parts of a tree, not phylogenetic groups) when describing a phylogenetic tree.
Draw a simple phylogenetic tree for two sisters clades with a common ancestor. Each sister clade consists of two taxa. Define the following terms and use to label your diagram: clade, node, branch, common ancestor, and taxon.
Which of the following is FALSE regarding phylogenetic trees? 1) The branch lengths on the tree are scaled to molecular (DNA) changes and/or time. 2)Phylogenetic trees have shown us that there is much more bacterial diversity compared to eukaryotes. 3) Phylogenetic trees show the evolutionary relatedness of different organisms. 4). The branch lengths on the tree depict abiotic and biotic factors affecting speciation.
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What is the difference between micro- and macroevolution? Microevolution describes the evolution of small organisms, such as insects, while macroevolution describes the evolution of large organisms, like people and elephants Microevolution describes the evolution of microscopic entities, such as molecules and proteins, while macroevolution describes the evolution of whole organisms Microevolution describes the evolution of organisms in populations, while macroevolution describes the evolution of species over long periods of time Microevolution describes the evolution of organisms over their lifetimes, while macroevolution describes the evolution of organisms over multiple generations.
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