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Chapter 20: Q.16 (page 504)

How does a phylogenetic tree relate to the passing of time?

Short Answer

Expert verified

A phylogenetic tree depicts the evolutionary history of a species, and these evolutionary events are illustrated across time.

Step by step solution

01

Introduction

A phylogenetic tree is a visual depiction of a species' or a group of species' evolutionary history. The tree shows various species arising at various periods or from various locations.

02

Explanation

With relation to time, the evolutionary tree displays the series of events that caused various components to diverge from one or more common ancestors. The common ancestors are represented by a stem that splits into two or more branches, each reflecting a divergence event that leads to another node, each representing a new species divergence.

03

Conclusion

The evolutionary history of a species is displayed in a phylogenetic tree, and these evolutionary events are depicted with regard to time.

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Most popular questions from this chapter

Dolphins and fish have similar body shapes. Is this feature more likely a homologous or analogous trait?

Particles that transfer genetic material from one species to another, especially in marine prokaryotes:

a. horizontal gene transfer

b. lateral gene transfer

c. genome fusion device

d. gene transfer agents

Compare three different ways that eukaryotic cells may have evolved.

Which phylogenetic model proposes that all three domains of life evolved from a pool of primitive prokaryotes?

a. tree of life

b. web of life

c. ring of life

d. network model

Describe how aphids acquired the ability to change color.
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