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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332

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Section
BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332
Chapter 25, Problem 15SQ
Textbook Problem
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Arrange the groups in order in which they evolved.

____ 1(earliest) a. Jawless fishes
____ 2 b. Birds
____ 3 c. Dinosaurs
____ 4 d. Amphibians
____ 5(most recent) e. Jawed fishes

Summary Introduction

To arrange: The groups in the order in which they evolved.

Explanation of Solution

1 (earliest)a. Jawless fishes

The jawless fishes (aquatic habitat) that include the modern day lampreys and hagfishes were the first proper chordates to evolve during the late Cambrian period of the Paleozoic era. They are the earliest evolved chordates.

2e. Jawed fishes

The jawed fishes (aquatic habitat) that include both cartilaginous fishes and bony fishes evolved after the jawless fishes during the Devonian period of the Paleozoic era that is famously known as the “Age of fishes.”

3d...

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