A certain morphological trait is used to construct a phylogenetic tree of three species (1, 2, and 3). Match each scenario with the correct corresponding tree. Species 1: No Species 2: Yes 1 1. 2 Species 3: Yes 3 Species 1: Yes 3 2. Species 2: Yes 2 1 Species 3: No 1 3. Species 1: Yes 3 2 Species 2: No Species 3: Yes Review Stuff Question 26 (Mandatory) (4 points) Species diversity is sometimes maintained or facilitated by... (CHOOSE ALL THAT ARE CORRECT). ر 8 DII 8 A 510 E F11 3 € F12

A certain morphological trait is used to construct a phylogenetic tree of three species (1, 2, and 3). Match each scenario with the correct corresponding tree. Species 1: No Species 2: Yes 1 1. 2 Species 3: Yes 3 Species 1: Yes 3 2. Species 2: Yes 2 1 Species 3: No 1 3. Species 1: Yes 3 2 Species 2: No Species 3: Yes Review Stuff Question 26 (Mandatory) (4 points) Species diversity is sometimes maintained or facilitated by... (CHOOSE ALL THAT ARE CORRECT). ر 8 DII 8 A 510 E F11 3 € F12

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 4TYK: In a cladistic analysis, a systematist groups together organisms that share: derived homologous...

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In a cladistic analysis, a systematist groups together organisms that share: derived homologous traits. derived homoplastic traits. ancestral homologous traits. ancestral homoplastic traits. all of the above.
Figure 18.23 Which of the following statements is false? Punctuated equilibrium is most likely to occur in a small population that experiences a rapid change in its environment. Punctuated equilibrium is most likely to occur in a large population that lives in a stable climate. Gradual speciation is most likely to occur in species that live in a stable climate. Gradual speciation and punctuated equilibrium both result in the evolution of new species.
The number of currently described species on the planet is about ________. a. 17,000 b. 150,000 c. 1.5 million d. 10 million
The number of currently described species on the planet is about.______________ 17,000 150,000 1.5 million 10 million
Which of the following is not part of how we define a species? a. Its individuals appear different from other species. b. It is reproductively isolated from other species. c. Its, populations can interbreed. d. Fertile offspring are produced.
The reproductive isolating mechanism in which two closely related species live in the same geographic area but reproduce at different times is (a) temporal isolation (b) behavioral isolation (c) mechanical isolation (d) gametic isolation (e) hybrid inviability
The first step leading to allopatric speciation is (a) hybrid inviability (b) hybrid breakdown (c) adaptive radiation (d) geographic isolation (e) paedomorphosis
What do scientists use to apply cladistics? homologous traits homoplasies analogous traits monophyletic groups
The phylogenetic tree for 12 cat species (Felidae) reproduced at right was assembled from molecular sequence data. Which species is the domestic cats closest relative? Which clade is the sister taxon to tigers? Are bobcats more closely related to cougars or to ocelots? Source: From Warren E. Johnson et al. 2006. The late Miocene radiation of modern Felidae: A genetic assessment. Science 311:7377.
Figure 1.7 Taxonomic classification of five species that are related at different levels. Each species has been assigned to ever more inclusive groups, or taxa: in this case, from genus to domain. From the left, Joaquim Gaspar; kymkemp.com; Sylvie Bouchard/Shutterstock.com; Courtesy of Melissa S. Green, www.flickr.com/photos/henkimaa; Grodana Sarkotic. Figure It Out: Which of the plants shown here are in the same order?
A clade is _________. a. defined by a derived trait b. a monophyletic group c. a hypothesis d. all of the above
David Hills of Baylor University noted that three closely related species of leopard frog (genus Rana) exhibit substantialbut not completepostzygotic reproductive isolation when crossed in the laboratory. Field surveys of numerous populations in Texas and surrounding states revealed that populations of the three species breed at various times during the year. Data on the breeding schedule of both allopatric and sympatric populations of these species are presented in the Figure below. Interpret the data in the figure and explain how they may demonstrate that these frogs experience prezygotic reproductive isolation in nature. What type of prezygotic reproductive isolation do the data suggest? Source: D.M. Hillis. 1981. Premating isolating mechanisms among three species of the Rana pipiens complex in Texas and southern Oklahoma. Copeia 1981:312-319.