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What do you think are the most important and interesting traits of worm bodies? Why do you think they are so numerous and so successful?

Basic Clinical Laboratory Techniques 6E

6th Edition

ISBN:9781133893943

Author:ESTRIDGE

Publisher:ESTRIDGE

Chapter8: Basic Parasitology

Section8.2: Collecting And Processing Specimens For Parasite Detection

Problem 14RQ

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Concept explainers

Classification of Marine Organisms

Classification is a way of categorizing organisms that enables an easy process of identification of such organisms. All living things are classified by grouping them under specific categories. The grouping is done based on the close relativeness of the organisms. The classification tool requires knowledge of characteristics, differences, and similarities between different organisms.

Question

What do you think are the most important and interesting traits of worm bodies? Why do you think they are so numerous and so successful?

Expert Solution

Step 1 Introduction

The animals with long bodies and no arms or legs are classified as worms. They are generally classified as flatworms and roundworms.

Step 2

Traits of worm bodies.

Flatworms

The worms in the phylum Platyhelminthes are called flatworms.
The body of the animals is slender and flat like so they are known as flatworms.
They are mostly endoparasite or free-living.
They do not have coelom and they are bilaterally symmetrical.
Their body is made up of three layers ectoderm, endoderm, and mesoderm.
They are mostly hermaphrodite.

Roundworms

The worms in phylum aschelminthes are roundworms.
They are nonsegmented and covered with cuticle.
They do not have a respiratory system.
They are generally unisexual

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