Describe likely features of the common ancestor of chordates, and explain your reasoning.

Question

Want to see more full solutions like this?

Answer 1

Textbook Question

Chapter 34, Problem 34.1CR

Describe likely features of the common ancestor of chordates, and explain your reasoning.

Expert Solution & Answer

Summary Introduction

To explain: Likely features of common ancestor of chordates.

Concept introduction:

Deuterostomes are the likely ancestors of the Chordates. Deuterostomes consists of Echinoderms, Cephalochordates, Urochordates and many more phylums. They do not look physiologically like chordates but are genetically very similar.

Explanation of Solution

The features of the common ancestors of chordates are the presence of dorsal nerve cord and notochord. They possess pharyngeal slits that function as gills of fish. They also possess a muscular tail that surpasses the anus. The symmetry is bilateral as the cord passes through the center.

Conclusion

The modern-day chordate possess various features same as their ancestors. Presence of the nerve cord and muscular layering over it are seen in the ancestors, the features that are now fully developed in phylum Chordata.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Students have asked these similar questions

Identify the phylum or class. a. Euglenophyta b. Dinoflagellata c. Bacillariophyceae d. Oomycetes e. Phaeophyceae O f. Myxomycota g. Xanthophyceae ○ h. Chrysophyceae i. Dictyosteliomycota O j. Rhodophyta Ok. Chlorophyceaens I. Charophyceaens

What is produced inside the indicated structure (Fucus). a. eggs O b. antheridia ○ c. sperm d. zygotes e. none of these

Green Algae, as a group, is actually paraphyletic with one subgroup more closely related to higher plants than the other. Which of the following green algae groups is more closely related to higher plants: a. Charophyceans b. Chlorophyceans c. Rhodophyta d. Xanthophyceans

Answer 2

Textbook Question

Chapter 34, Problem 34.1CR

Describe likely features of the common ancestor of chordates, and explain your reasoning.

Expert Solution & Answer

Summary Introduction

To explain: Likely features of common ancestor of chordates.

Concept introduction:

Deuterostomes are the likely ancestors of the Chordates. Deuterostomes consists of Echinoderms, Cephalochordates, Urochordates and many more phylums. They do not look physiologically like chordates but are genetically very similar.

Explanation of Solution

The features of the common ancestors of chordates are the presence of dorsal nerve cord and notochord. They possess pharyngeal slits that function as gills of fish. They also possess a muscular tail that surpasses the anus. The symmetry is bilateral as the cord passes through the center.

Conclusion

The modern-day chordate possess various features same as their ancestors. Presence of the nerve cord and muscular layering over it are seen in the ancestors, the features that are now fully developed in phylum Chordata.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 3

Textbook Question

Chapter 34, Problem 34.1CR

Describe likely features of the common ancestor of chordates, and explain your reasoning.

Expert Solution & Answer

Summary Introduction

To explain: Likely features of common ancestor of chordates.

Concept introduction:

Deuterostomes are the likely ancestors of the Chordates. Deuterostomes consists of Echinoderms, Cephalochordates, Urochordates and many more phylums. They do not look physiologically like chordates but are genetically very similar.

Explanation of Solution

The features of the common ancestors of chordates are the presence of dorsal nerve cord and notochord. They possess pharyngeal slits that function as gills of fish. They also possess a muscular tail that surpasses the anus. The symmetry is bilateral as the cord passes through the center.

Conclusion

The modern-day chordate possess various features same as their ancestors. Presence of the nerve cord and muscular layering over it are seen in the ancestors, the features that are now fully developed in phylum Chordata.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Textbook Question

Chapter 34, Problem 34.1CR

Describe likely features of the common ancestor of chordates, and explain your reasoning.

Expert Solution & Answer

Summary Introduction

To explain: Likely features of common ancestor of chordates.

Concept introduction:

Deuterostomes are the likely ancestors of the Chordates. Deuterostomes consists of Echinoderms, Cephalochordates, Urochordates and many more phylums. They do not look physiologically like chordates but are genetically very similar.

Explanation of Solution

The features of the common ancestors of chordates are the presence of dorsal nerve cord and notochord. They possess pharyngeal slits that function as gills of fish. They also possess a muscular tail that surpasses the anus. The symmetry is bilateral as the cord passes through the center.

Conclusion

The modern-day chordate possess various features same as their ancestors. Presence of the nerve cord and muscular layering over it are seen in the ancestors, the features that are now fully developed in phylum Chordata.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

To explain: Likely features of common ancestor of chordates.

Concept introduction:

Deuterostomes are the likely ancestors of the Chordates. Deuterostomes consists of Echinoderms, Cephalochordates, Urochordates and many more phylums. They do not look physiologically like chordates but are genetically very similar.

Explanation of Solution

The features of the common ancestors of chordates are the presence of dorsal nerve cord and notochord. They possess pharyngeal slits that function as gills of fish. They also possess a muscular tail that surpasses the anus. The symmetry is bilateral as the cord passes through the center.

Conclusion

The modern-day chordate possess various features same as their ancestors. Presence of the nerve cord and muscular layering over it are seen in the ancestors, the features that are now fully developed in phylum Chordata.

Answer 8

Expert Solution & Answer

Summary Introduction

To explain: Likely features of common ancestor of chordates.

Concept introduction:

Deuterostomes are the likely ancestors of the Chordates. Deuterostomes consists of Echinoderms, Cephalochordates, Urochordates and many more phylums. They do not look physiologically like chordates but are genetically very similar.

Explanation of Solution

The features of the common ancestors of chordates are the presence of dorsal nerve cord and notochord. They possess pharyngeal slits that function as gills of fish. They also possess a muscular tail that surpasses the anus. The symmetry is bilateral as the cord passes through the center.

Conclusion

The modern-day chordate possess various features same as their ancestors. Presence of the nerve cord and muscular layering over it are seen in the ancestors, the features that are now fully developed in phylum Chordata.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

To explain: Likely features of common ancestor of chordates.

Concept introduction:

Deuterostomes are the likely ancestors of the Chordates. Deuterostomes consists of Echinoderms, Cephalochordates, Urochordates and many more phylums. They do not look physiologically like chordates but are genetically very similar.

Answer 12

Explanation of Solution

The features of the common ancestors of chordates are the presence of dorsal nerve cord and notochord. They possess pharyngeal slits that function as gills of fish. They also possess a muscular tail that surpasses the anus. The symmetry is bilateral as the cord passes through the center.

Answer 13

Conclusion

The modern-day chordate possess various features same as their ancestors. Presence of the nerve cord and muscular layering over it are seen in the ancestors, the features that are now fully developed in phylum Chordata.

Answer 14

Ch. 34.1 - Identify four derived characters that all...Ch. 34.1 - Prob. 2CC Ch. 34.1 - VISUAL SKILLS Based on the phylogenetic tree...Ch. 34.2 - How are differences in the anatomy of lampreys and...Ch. 34.2 - WHAT IF? In several different animal lineages,...Ch. 34.2 - WHAT IF? Suggest key roles that mineralized bone...Ch. 34.3 - What derived characters do sharks and tuna share?...Ch. 34.3 - Describe key adaptations of aquatic gnathostomes.Ch. 34.3 - draw it Redraw Figure 34.2 to show four lineages:...Ch. 34.3 - WHAT IF? Imagine that we could replay the history...

Describe likely features of the common ancestor of chordates, and explain your reasoning.

Concept explainers

Videos

Explanation of Solution

Want to see more full solutions like this?

Chapter 34 Solutions