The lowest proportion of lampreys on the scented side of the tank when the scent was alcohol and the when the scent was alcohol-based carcass extract. Concept introduction: Sea lampreys are chordates that are classified as jawless fishes and are considered as the major parasitic carnivorous chordates. The sea lampreys are pests in the Great lakes of the USA as they cause loss of several commercial fishes.

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Answer 1

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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 2DAA

Summary Introduction

To explain: The lowest proportion of lampreys on the scented side of the tank when the scent was alcohol and the when the scent was alcohol-based carcass extract.

Concept introduction: Sea lampreys are chordates that are classified as jawless fishes and are considered as the major parasitic carnivorous chordates. The sea lampreys are pests in the Great lakes of the USA as they cause loss of several commercial fishes.

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Answer 2

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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 2DAA

Summary Introduction

To explain: The lowest proportion of lampreys on the scented side of the tank when the scent was alcohol and the when the scent was alcohol-based carcass extract.

Concept introduction: Sea lampreys are chordates that are classified as jawless fishes and are considered as the major parasitic carnivorous chordates. The sea lampreys are pests in the Great lakes of the USA as they cause loss of several commercial fishes.

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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 2DAA

Summary Introduction

To explain: The lowest proportion of lampreys on the scented side of the tank when the scent was alcohol and the when the scent was alcohol-based carcass extract.

Concept introduction: Sea lampreys are chordates that are classified as jawless fishes and are considered as the major parasitic carnivorous chordates. The sea lampreys are pests in the Great lakes of the USA as they cause loss of several commercial fishes.

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 2DAA

Summary Introduction