Apicomplexans are the largest lineage in the parasitic protists which includes more than 5000 species. They are single- celled protists which spend most part of their life cycle inside cells of their animal host. The life cycle of apicomplexans is complicated as it includes both sexual reproduction and asexual reproduction.

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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 4SQ

Summary Introduction

Concept Introduction: Apicomplexans are the largest lineage in the parasitic protists which includes more than 5000 species. They are single- celled protists which spend most part of their life cycle inside cells of their animal host. The life cycle of apicomplexans is complicated as it includes both sexual reproduction and asexual reproduction.

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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 21, Problem 4SQ

Summary Introduction

Concept Introduction: Apicomplexans are the largest lineage in the parasitic protists which includes more than 5000 species. They are single- celled protists which spend most part of their life cycle inside cells of their animal host. The life cycle of apicomplexans is complicated as it includes both sexual reproduction and asexual reproduction.

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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 21, Problem 4SQ

Summary Introduction

Concept Introduction: Apicomplexans are the largest lineage in the parasitic protists which includes more than 5000 species. They are single- celled protists which spend most part of their life cycle inside cells of their animal host. The life cycle of apicomplexans is complicated as it includes both sexual reproduction and asexual reproduction.

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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 21, Problem 4SQ

Summary Introduction