Evolution of a fungus from parasitic to mutualist and its effects on the host individual. Concept introduction: A trait or character is a feature of an organism. Triats like ancestral traits are what the modern generation has derived from ancestor. A derived trait is a trait that the current organism has, and previous one didn't or they have undergone a secondary loss (this may also refer to structures that are not present in an organism, but were present in its ancestors). Lack of structure is a derived trait saprobes, symbionts, or parasites. The ancestor of the mutualist fungi adopted parasitic mode of nutrition that causes the death of the host. The progeny of the parasitic fungi adopted the evolutionary changes in their mode of nutrition (mutations) and hence followed the mutualism (symbiotic relationship) that would not harm the host but also benefit both host and the fungi.

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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 31.1, Problem 2CC

Summary Introduction

To determine: Evolution of a fungus from parasitic to mutualist and its effects on the host individual.

Concept introduction: A trait or character is a feature of an organism. Triats like ancestral traits are what the modern generation has derived from ancestor. A derived trait is a trait that the current organism has, and previous one didn't or they have undergone a secondary loss (this may also refer to structures that are not present in an organism, but were present in its ancestors). Lack of structure is a derived trait saprobes, symbionts, or parasites. The ancestor of the mutualist fungi adopted parasitic mode of nutrition that causes the death of the host. The progeny of the parasitic fungi adopted the evolutionary changes in their mode of nutrition (mutations) and hence followed the mutualism (symbiotic relationship) that would not harm the host but also benefit both host and the fungi.

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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 31.1, Problem 2CC

Summary Introduction

To determine: Evolution of a fungus from parasitic to mutualist and its effects on the host individual.

Concept introduction: A trait or character is a feature of an organism. Triats like ancestral traits are what the modern generation has derived from ancestor. A derived trait is a trait that the current organism has, and previous one didn't or they have undergone a secondary loss (this may also refer to structures that are not present in an organism, but were present in its ancestors). Lack of structure is a derived trait saprobes, symbionts, or parasites. The ancestor of the mutualist fungi adopted parasitic mode of nutrition that causes the death of the host. The progeny of the parasitic fungi adopted the evolutionary changes in their mode of nutrition (mutations) and hence followed the mutualism (symbiotic relationship) that would not harm the host but also benefit both host and the fungi.

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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 31.1, Problem 2CC

Summary Introduction

To determine: Evolution of a fungus from parasitic to mutualist and its effects on the host individual.

Concept introduction: A trait or character is a feature of an organism. Triats like ancestral traits are what the modern generation has derived from ancestor. A derived trait is a trait that the current organism has, and previous one didn't or they have undergone a secondary loss (this may also refer to structures that are not present in an organism, but were present in its ancestors). Lack of structure is a derived trait saprobes, symbionts, or parasites. The ancestor of the mutualist fungi adopted parasitic mode of nutrition that causes the death of the host. The progeny of the parasitic fungi adopted the evolutionary changes in their mode of nutrition (mutations) and hence followed the mutualism (symbiotic relationship) that would not harm the host but also benefit both host and the fungi.

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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 31.1, Problem 2CC

Summary Introduction