Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 12, Problem 7RQ
Which best describes a branch point in a phylogenetic tree?
a. a hypothesis
b. new lineage
c. hybridization
d. a mating
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Which best describes a branch point in a phylogenetic tree?a. a hypothesisb. new lineagec. hybridizationd. a mating
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Chapter 12 Solutions
Concepts of Biology
Ch. 12 - Figure 12.3 In what levels are cats and dogs...Ch. 12 - Figure 12.8 Which animals in this figure belong to...Ch. 12 - What is a phylogeny a description of? a. mutations...Ch. 12 - What do scientists in the field of systematics...Ch. 12 - Which statement about the taxonomic classification...Ch. 12 - Which best describes the relationship between...Ch. 12 - Which best describes a branch point in a...Ch. 12 - Which statement about analogies is correct? a....Ch. 12 - What kind of trait is important to cladistics? a....Ch. 12 - What is true about organisms that are a part of...
Ch. 12 - Which assumption of cladistics is stated...Ch. 12 - A monophyletic group is a ______. a. phylogenetic...Ch. 12 - How does a phylogenetic tree indicate major...Ch. 12 - List the different levels of the taxonomic...Ch. 12 - Dolphins and fish have similar body shapes. Is...Ch. 12 - Describe maximum parsimony.Ch. 12 - How does a biologist determine the polarity of a...
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- Which situation would most likely lead to allopatric speciation? a. A flood causes the formation of a new lake. b. A storm causes several large trees to fall down. c. A mutation causes a new trait to develop. d. An injury causes an organism to seek out a new food source.arrow_forwardWhich statement about the taxonomic classification system is correct? a. There are more domains than kingdoms. b. Kingdoms are the top category of classification. c. Classes are divisions of orders. d. Subspecies are the most specific category of classification.arrow_forwardwhich term describes any ancient remains, impressions, or traces of an organism or traces of its activity that have been preserved in rocks or other mineral deposits in Earth’s crust? a. analogous feature b. homologous feature c. mutation d. fossilarrow_forward
- What pattern of speciation is illustrated by the development of the allopolyploid species? A. allopatric speciation B. sympatric speciation C. cladopatric speciation D. anapatric speciationarrow_forwardWhat do scientists use to apply cladistics? a. homologous traits b. homoplasies c. analogous traits d. monophyletic groupsarrow_forwardWhich method of building phylogenetic trees relies on both the number of evolutionary transitions on the phylogenetic tree and the likelihood of the evolutionary transitions? a. Maximum Credibility b. Maximum Likelihood c. Parsimony d. Bootstrappingarrow_forward
- Which type of characteristic would be MOST helpful in constructing a phylogenetic tree? a. A characteristic found in none of the selected organisms b. A characteristic found in one of the selected organisms c. A characteristic found in 2-5 of the selected organisms d. A chracteristic found in all of the selected organismsarrow_forwardWhich statement about the taxonomic classification system is correct? a. There are more domains than kingdoms. b. Kingdoms are the top category of classification. c. A phylum may be represented in more than one kingdom. d. Species are the most specific category of classificationarrow_forwardWhich must exist in a population before natural selection can act upon that population? A. Genetic variation among individuals B. Variation among individuals caused by environmental factors C. Sexual reproduction D. Three of the responses are correctarrow_forward
- Which of the forces is the ONLY way that new genetic diversity can be produced in a species? A. Mutation B. Gene Flow C. Natural Selection D. Genetic Driftarrow_forwardWhich method of building phylogenetic trees relies only on minimizing the number of evolutionary transitions on the phylogenetic tree? a. Parsimony b. Maximum Likelihood c. Boostrapping d. Maximum Credibilityarrow_forwardWhich variable increases the likelihood of allopatric speciation taking place more quickly? a. lower rate of mutation b. longer distance between divided groups c. increased instances of hybrid formation d. equivalent numbers of individuals in each populationarrow_forward
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