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Chapter 15 Review Protist
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What is the term for protists with animal-like characteristics?
(a) amoebas (b) protozoans (c) sarcodinians (d) zooflagellates
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Protozoan
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An amoeba can survive harsh conditions by forming a
(a) pseudopod (b) cyst (c) diatom (d) spore
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cysts
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Sarcodinians are protozoans that move by extending lobes of
(a) cytoplasm (b) nuclei (c) plasmodium (d) flagella
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Cystoplasm
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Kelp belong to which group of Algae
(a) green algae (b) brown algae (c) diatoms (d) red algae
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Brown
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The air bladders of the giant kelp keep the leaflike portion of the kelp near the water’s surface to aid in (a) conjugation (b) transportation (c) photosynthesis (d) reproduction
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photosynthesis
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Which phylum of protozoa are nonmotile
(a) Sarcodina (b) Ciliophora (c) Zooflagellates (d) Sporozoa
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Sporozoa
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Which of the following causes malaria
(a) Plasmodium (b) Trypanosoma (c) mosquitoes (d) Paramecium
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Plasmodium
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What is the name for the protists that perform photosynthesis
(a) algae (b) dinoflagellates (c) sporozoans (d) ciliates
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Algae
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What protozoan causes African Sleeping Sickness in humans
(a) Plasmodium (b) Paramecium (c) Trichonympha (d) Trypanosoma
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Trypanosoma
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Protozoa are placed into different phyla according to their
(a) size (b) movement (c) color (d) shape
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Movement
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Algae that lack both cilia and flagella but have cell walls containing silica are
(a) brown algae (b) euglenoids (c) diatoms (d) green algae
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Diatoms
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What is the feeding stage in the life cycle of a plasmodial slime mold?
(a) Zygote (b) fungi (c) sporozoite (d) plasmodium
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Plasmodium
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A red tide is made up of unicellular organisms called
(a) dinoflagellates (b) diatoms (c) red algae (d) red blood cells
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dinoflagellates
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Animal like protists
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Protozoa
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Can attack injured skin or gill tissue on fish
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Water mold
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Process of surrounding food and engulfing it
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Phagocytosis
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Single-celled algae that has animal like characteristics
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Euglenoid
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Causes malaria in humans
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Plasmodium
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Tiny hairlike threads found on a paramecium
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Cilia
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A group of cells that live together in close association
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Colony
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Final Question
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Protozoa that uses flagella to move
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ZooFlagettes (ex trypsonoma)
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Some scientists have problems classifying Euglenoids as plant-like protists. What characteristics do Euglenoids have that cause these problems?
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Lack rigid cell wall Have a flagella
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List the four phyla(or groups) of protozoans, explain the type of movement they exhibit, and give an example of an organism that belongs to each group
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1. Sarcodina—Move using blob, foramniferans
2. Zooflagellates – have one or more flagella for Movement, Trichonympha, Trypanosoma 3. Ciliates(Ciliophora) – move by tiny hair-like structures called cilia, Paramecium 4. Sporozoans – are parasitic and lack structures for movement. plasmodium, malaria
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What are three ecological roles that protists have in the biosphere?
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1. Food source 2. Production of oxygen and carbon dioxide gas through photosynthesis. 3. Kill and eat harmful bacteria
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