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BiologyBiology: The Unity and Diversity of Life (MindTap Course List)15th Edition
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Earthworms are most closely related to _______. a. tapeworms b. roundworms c. planarians d. leeches

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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 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
BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332
Chapter 24, Problem 6SQ
Textbook Problem
264 views

Earthworms are most closely related to _______.

  1. a. tapeworms
  2. b. roundworms
  3. c. planarians
  4. d. leeches

Summary Introduction

Introduction: Annelids are group of animals that are bilaterally symmetrical and exhibit metamerism (conspicuous segmentation). Annelids include animals like earthworms, leeches, and nereis. Animals grouped in a single phylum share several similar characteristics and are more closely related than other phyla.

Explanation of Solution

Reason for the correct statement:

Earthworms belong to Phylum: Annelida. The annelids are the first group of highly specialised animals. The annelids include there classes: polychaetes, oligochaetes, and hirudinea. They all have characteristic segmentation.  The earthworm belongs to oligochaetes and the leeches belong to hirudinea. The earthworm and leeches share a common ancestor and have similar morphological and anatomical features that again suggest that they are closely related to each other.

Option d. is given as “leeches”.

As earthworms share a close relationship with leeches than they do with roundworms, tapeworms, and planarians, option d. is correct.

Reasons for the incorrect statements:

Option a. is given as “tapeworms”.

Tapeworms belong to Phylum: Platyhelminthes. Earthworms belong to Phylum: Annelida. The tapeworms and the earthworms have several varying characteristics morphologically and anatomically...

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Chapter 24 Solutions

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