Lampreys and hagfishes are chordates. That is they have a notochord, a dorsal nerve cord, and gill slits. The lampreys and hagfishes are classified under the Class: Pisces. They are jawless fishes that are also known as ostracoderms.

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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 25, Problem 8SQ

Summary Introduction

Concept introduction: Lampreys and hagfishes are chordates. That is they have a notochord, a dorsal nerve cord, and gill slits. The lampreys and hagfishes are classified under the Class: Pisces. They are jawless fishes that are also known as ostracoderms.

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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 25, Problem 8SQ

Summary Introduction

Concept introduction: Lampreys and hagfishes are chordates. That is they have a notochord, a dorsal nerve cord, and gill slits. The lampreys and hagfishes are classified under the Class: Pisces. They are jawless fishes that are also known as ostracoderms.

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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 25, Problem 8SQ

Summary Introduction

Concept introduction: Lampreys and hagfishes are chordates. That is they have a notochord, a dorsal nerve cord, and gill slits. The lampreys and hagfishes are classified under the Class: Pisces. They are jawless fishes that are also known as ostracoderms.

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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 25, Problem 8SQ

Summary Introduction

Concept introduction: Lampreys and hagfishes are chordates. That is they have a notochord, a dorsal nerve cord, and gill slits. The lampreys and hagfishes are classified under the Class: Pisces. They are jawless fishes that are also known as ostracoderms.

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Answer 5

Chapter 25, Problem 8SQ

Summary Introduction

Concept introduction: Lampreys and hagfishes are chordates. That is they have a notochord, a dorsal nerve cord, and gill slits. The lampreys and hagfishes are classified under the Class: Pisces. They are jawless fishes that are also known as ostracoderms.

Answer 6

Chapter 25, Problem 8SQ

Summary Introduction

Concept introduction: Lampreys and hagfishes are chordates. That is they have a notochord, a dorsal nerve cord, and gill slits. The lampreys and hagfishes are classified under the Class: Pisces. They are jawless fishes that are also known as ostracoderms.

Answer 7

Chapter 25, Problem 8SQ

Summary Introduction

Concept introduction: Lampreys and hagfishes are chordates. That is they have a notochord, a dorsal nerve cord, and gill slits. The lampreys and hagfishes are classified under the Class: Pisces. They are jawless fishes that are also known as ostracoderms.

Answer 8

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Answer 11

Ch. 25 - Deathly Lamprey Repellent Predation by sea...Ch. 25 - Deathly Lamprey Repellent Predation by sea...Ch. 25 - Prob. 3DAA Ch. 25 - Prob. 4DAA Ch. 25 - Prob. 1SQ Ch. 25 - Which of the traits listed above are retained by...Ch. 25 - Vertebrate jaw banes evolved from ___ . a. gill...Ch. 25 - Prob. 4SQ Ch. 25 - Tetra pods evolved from ___ . a. sharks b....Ch. 25 - Turtles, Lizards, and birds belong to one major...

Lampreys and hagfishes are chordates. That is they have a notochord, a dorsal nerve cord, and gill slits. The lampreys and hagfishes are classified under the Class: Pisces. They are jawless fishes that are also known as ostracoderms.

Solution Summary: The author explains that lampreys and hagfishes are ostracoderms that belong to Cyclostomata and under Class: Pisces. They are parasitic and bottom-feeders

Concept explainers

Concept introduction: Lampreys and hagfishes are chordates. That is they have a notochord, a dorsal nerve cord, and gill slits. The lampreys and hagfishes are classified under the Class: Pisces. They are jawless fishes that are also known as ostracoderms.

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Chapter 25 Solutions