The three factors that lead to the emergence of infectious diseases. Introduction: The diseases caused by microorganisms like bacteria, fungi , viruses, and parasites are called as the infectious diseases and such microbes are regarded as the pathogens. These diseases can spread from one person to another and also are transmitted by agents like insects.

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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 1, Problem 7SA

Summary Introduction

To review:

The three factors that lead to the emergence of infectious diseases.

Introduction:

The diseases caused by microorganisms like bacteria, fungi, viruses, and parasites are called as the infectious diseases and such microbes are regarded as the pathogens. These diseases can spread from one person to another and also are transmitted by agents like insects.

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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 1, Problem 7SA

Summary Introduction

To review:

The three factors that lead to the emergence of infectious diseases.

Introduction:

The diseases caused by microorganisms like bacteria, fungi, viruses, and parasites are called as the infectious diseases and such microbes are regarded as the pathogens. These diseases can spread from one person to another and also are transmitted by agents like insects.

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Check out a sample textbook solution

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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 1, Problem 7SA

Summary Introduction

To review:

The three factors that lead to the emergence of infectious diseases.

Introduction:

The diseases caused by microorganisms like bacteria, fungi, viruses, and parasites are called as the infectious diseases and such microbes are regarded as the pathogens. These diseases can spread from one person to another and also are transmitted by agents like insects.

Expert Solution & Answer

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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 1, Problem 7SA

Summary Introduction