CAMPBELL BIOLOGY-W/MOD.MASTERBIOLOGY

11th Edition

ISBN: 9780134683461

Author: Urry

Publisher: PEARSON

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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 26, Problem 26.2CR

Why is it necessary to distinguish homology from analogy to infer phylogeny?

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Chapter 26, Problem 26.1CR

Chapter 26, Problem 26.3CR

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When reconstructing phylogenies, is it more useful to compare orthologous or paralogous genes? Explain.

What would be a complete phylogeny with traits? Attached is the format for the phylogeny tree.

What is Phylogeny? Explain the importance of Phylogeny ?

Chapter 26 Solutions

CAMPBELL BIOLOGY-W/MOD.MASTERBIOLOGY

Ch. 26.1 - VISUAL SKILLS: Which levels of the classification...Ch. 26.1 - Prob. 2CC Ch. 26.1 - DRAW IT The bear family (Ursidae) is more closety...Ch. 26.2 - Decide whether each of the following pairs of...Ch. 26.2 - Prob. 2CC Ch. 26.3 - Prob. 1CC Ch. 26.3 - Prob. 2CC Ch. 26.3 - WHAT IF? Draw a phylogenetic tree that includes...Ch. 26.4 - Explain how comparing proteins of two species can...Ch. 26.4 - WHAT IF? Suppose gene A is orthologous in species...

Ch. 26.4 - Prob. 3CC Ch. 26.5 - What is a molecular clock? What assumption...Ch. 26.5 - Prob. 2CC Ch. 26.5 - WHAT IF? Suppose a molecular dock dates the...Ch. 26.6 - Why is the kingdom Monera no longer considered a...Ch. 26.6 - Prob. 2CC Ch. 26.6 - MAKE CONNECTIONS Explain how the origin of...Ch. 26 - Humans and chimpanzees are sister species. Explain...Ch. 26 - Why is it necessary to distinguish homology from...Ch. 26 - Prob. 26.3CR Ch. 26 - When reconstructing phylogenies, is it more useful...Ch. 26 - Prob. 26.5CR Ch. 26 - Prob. 26.6CR Ch. 26 - In a comparison of birds and mammals, the...Ch. 26 - To appiy parsimony to constructing a phylogenetic...Ch. 26 - VISUAL SKILLS In Figure 26.4, which similarly...Ch. 26 - Three living species X, Y, and Z share a common...Ch. 26 - VISUAL SKILLS Based on the tree below, which...Ch. 26 - If you were using cladistics to build a...Ch. 26 - VISUAL SKILLS The relative lengths of the frog and...Ch. 26 - EVOLUTION CONNECTION Darwin suggested looking at a...Ch. 26 - SCIENTIFIC INQUIRY DRAW IT (a) Draw a...Ch. 26 - WRITE ABOUT A THEME: INFORMATION In a Short essay...Ch. 26 - SYNTHESIZE YOUR KNOWLEDGE This West Indian manatee...

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