Biology: The Unity and Diversity of Life (MindTap Course List)

14th Edition

ISBN: 9781305073951

Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher: Cengage Learning

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Concept explainers

Evolution

The history and science of origin and evolution comprise two events, the beginning of life and expansion of life. Our earth originated about 4.5 billion years ago. The term evolution is derived from two Latin words and means the act of unfolding or unrol…

Cladistics

Cladistics is a technique in the classification of organisms, where they are grouped into different clades. The proof for the relationships that are hypothesized is based on the shared derived characteristics known as synapomorphies. These characteristic…

Outgroups

Outgroups are significant in studying cladistics or phylogenetics (that describe the evolutionary relationship between different organisms). Further, it is also important to understand the differences and similarities between different organisms.

Taxonomy

It is the branch of biology that works with the identification of organisms at first, then naming, and classification of them into phenetic or phylogenetic groups (a classification system). In other words, it is the scientific study of biological diversi…

Phylogenetics

Phylogenetics is the scientific study of how various groups of organisms are related at the evolutionary level. It finds the relationship between various organisms based on their evolutionary similarities and differences. It is a part of the taxonomy. Al…

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Textbook Question

Chapter 18, Problem 5SQ

In cladograms, sister groups are _______ .

a. inbred
b. the same age
c. represented by nodes
d. in the same family

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Chapter 18, Problem 4SQ

Chapter 18, Problem 6SQ

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Chapter 18 Solutions

Biology: The Unity and Diversity of Life (MindTap Course List)

Ch. 18 - In cladistics, the only taxon that is always...Ch. 18 - Prob. 2SQ Ch. 18 - A clade is _________. a. defined by a derived...Ch. 18 - Prob. 4SQ Ch. 18 - In cladograms, sister groups are _______ . a....Ch. 18 - Through _______, a body part of an ancestor is...Ch. 18 - Homologous structures among major groups of...Ch. 18 - Prob. 8SQ Ch. 18 - Mitochondrial DNA sequences are often used in...Ch. 18 - Hawaiian Honeycreeper Phylogeny The Poouli...

Ch. 18 - Prob. 2DAA Ch. 18 - Hawaiian Honeycreeper Phylogeny The Poouli...Ch. 18 - Hawaiian Honeycreeper Phylogeny The Poouli...Ch. 18 - Molecular clocks are based on comparisons of the...Ch. 18 - True or false? DNA barcoding can identify an...Ch. 18 - A mutation that alters the embryonic expression...Ch. 18 - All of the following data types can be used as...Ch. 18 - True or false? Phylogeny helps us study the spread...Ch. 18 - Prob. 15SQ Ch. 18 - In the late 1800s, a biologist studying animal...Ch. 18 - The photos shown above illustrate a case of...

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