Any living organisms that are not visible by naked eyes are said to be microorganisms, such as bacteria, fungi , protozoa, and viruses. These organisms are classified under two categories: prokaryotic organisms and eukaryotic organisms. Prokaryotic organisms contain a cell wall but lack cell membrane bounded organelles. Eukaryotic organisms contain a cell wall as well as cell bounded organelles.

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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 21, Problem 4MC

Summary Introduction

Introduction:

Any living organisms that are not visible by naked eyes are said to be microorganisms, such as bacteria, fungi, protozoa, and viruses. These organisms are classified under two categories: prokaryotic organisms and eukaryotic organisms. Prokaryotic organisms contain a cell wall but lack cell membrane bounded organelles. Eukaryotic organisms contain a cell wall as well as cell bounded organelles.

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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 21, Problem 4MC

Summary Introduction

Introduction:

Any living organisms that are not visible by naked eyes are said to be microorganisms, such as bacteria, fungi, protozoa, and viruses. These organisms are classified under two categories: prokaryotic organisms and eukaryotic organisms. Prokaryotic organisms contain a cell wall but lack cell membrane bounded organelles. Eukaryotic organisms contain a cell wall as well as cell bounded organelles.

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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 21, Problem 4MC

Summary Introduction

Introduction:

Any living organisms that are not visible by naked eyes are said to be microorganisms, such as bacteria, fungi, protozoa, and viruses. These organisms are classified under two categories: prokaryotic organisms and eukaryotic organisms. Prokaryotic organisms contain a cell wall but lack cell membrane bounded organelles. Eukaryotic organisms contain a cell wall as well as cell bounded organelles.

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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 21, Problem 4MC

Summary Introduction