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.

Question

Want to see the full answer?

Answer 1

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.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Students have asked these similar questions

18. A ___ is a morphological feature that some highly social strepsirrhine species have, but which Catarrhine species lack. a. Y-5 Molar b. Dental comb c. Heterodontic dentition d. Coccyx

An example of paedomorphosis would be a ____. salamander that becomes sexually mature while still retaining its gills moose that has antlers that are much larger than its ancestors primate with a smaller head than its ancestors duck that did not have webbed toes due to lack of the paracrine hormone gremlin

An example of peramorphosis would be a____. salamander that becomes sexually mature while still retaining its gills moose that has antlers that are much larger than its ancestors primate that has a shorter mandible than its ancestors horse that has fewer toes than its ancestors

Answer 2

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.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 3

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.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

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.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

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

Expert Solution & Answer

Answer 9

Expert Solution & Answer

Answer 10

Want to see the full answer?

Check out a sample textbook solution

See solution

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.

Want to see the full answer?

Chapter 25 Solutions