Answered: The following groups of protists will…

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter27: Protists

Section27.1: What Is A Protist?

Problem 1SB: What distinguishes protists from prokaryotes? What distinguishes protists from fungi, land plants,...

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The following groups of protists will be covered in lecture: Amoebazoa, Excavate-euglena,

Alveolata: ciliates, dinoflagellates, apicomplexan;

Stramenopiles: diatoms and brown algae, and

Plantae: chlorophytes.

How do these organisms compare in their

-general type of nutrition (autotroph, heterotroph),

-ecological roles (parasites, decomposers, importance in

food chains)

-general structures (cell walls, structures that help them

move and feed, single vs multicellular)

-reproduction (asexual, sexual)

-presence or absence of alternation of generations, -

degree of complexity of life cycles

-habitats that they are found in

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.

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