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BiologyBiology: The Unity and Diversity of Life (MindTap Course List)15th Edition
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List the four distinguishing chordate traits.

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Biology: The Unity and Diversity o...

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

Solutions

Chapter
Section
Problem 1DAA
Problem 2DAA
Problem 3DAA
Problem 4DAA
Problem 1SQ
Problem 2SQ
Problem 3SQ
Problem 4SQ
Problem 5SQ
Problem 6SQ
Problem 7SQ
Problem 8SQ
Problem 9SQ
Problem 10SQ
Problem 11SQ
Problem 12SQ
Problem 13SQ
Problem 14SQ
Problem 15SQ
Problem 1CT
Problem 2CT
Problem 3CT
Problem 4CT
BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332
Chapter 25, Problem 1SQ
Textbook Problem
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List the four distinguishing chordate traits.

Summary Introduction

To explain: The four distinguishing Chordate traits.

Concept introduction: Chordates belong to the Phylum Chordata. The chordates are the highly advanced phylum and includes diverse species with varying adaptations and habitats. Chordates have a notochord, a hollow dorsal nerve cord, pharyngeal slits, an endostyle, and a post-anal tail in their life cycle.

Explanation of Solution

The Phylum: Chordate shares the following distinguishing characters from invertebrates. These characters are expressed during their embryonic development or post-embryonic development.

  • Notochord

    The notochord derived from the mesoderm is present in the anteroposterior axis of the chordates made of a substance similar to cartilage. The notochord is found closer toward the dorsal side than the ventral side. The notochord gives rise to nucleus pulposus of the vertebrae in higher chordates.

  • Dorsal tubular nerve cord

    Only chordates have dorsal nerve cord that is derived from the ectoderm. The nerve cord during embryonic development later gives rise to the central nervous system during development...

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