Nematodes are habituated in marine and fresh water and they are parasites , animals and plants. Nematodes contain a covering of thick and flexible cuticle that is formed by molting. Molting occurs as nematodes develop or grow. The nematodes which are the parasitic worms are able to molt four times.

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 33, Problem 3A

Summary Introduction

Introduction:

Nematodes are habituated in marine and fresh water and they are parasites, animals and plants. Nematodes contain a covering of thick and flexible cuticle that is formed by molting. Molting occurs as nematodes develop or grow. The nematodes which are the parasitic worms are able to molt four times.

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Nematodes once were thought to be closely related torotifers due to the presence of a pseudocoelom but are nowconsidered more closely related to the arthropods due toa. molting. c. wings.b. jointed appendages. d. a coelom.

Which of the following classes of arthropod possess chelicerae? a. Chilopoda b. Crustacea c. Hexapoda d. Chelicerata

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 33, Problem 3A

Summary Introduction

Introduction:

Nematodes are habituated in marine and fresh water and they are parasites, animals and plants. Nematodes contain a covering of thick and flexible cuticle that is formed by molting. Molting occurs as nematodes develop or grow. The nematodes which are the parasitic worms are able to molt four times.

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Answer 3

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 33, Problem 3A

Summary Introduction

Introduction:

Nematodes are habituated in marine and fresh water and they are parasites, animals and plants. Nematodes contain a covering of thick and flexible cuticle that is formed by molting. Molting occurs as nematodes develop or grow. The nematodes which are the parasitic worms are able to molt four times.

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Answer 4

Question

Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 33, Problem 3A

Summary Introduction