CPO Middle School Life Science (Chapter 9: Protozoans)

What is a protozoan?
A single-celled eukaryote that has some animal-like characteristics.
What is a protozoan?
What type of cell do all protozoans have?
Eukaryotic Cell
What type of cell do all protozoans have?
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What are groups of protozoans called?
Colonies
What are groups of protozoans called?
What type of environment is ideal for most protists? Give examples.
A moist environment such as ponds, the ocean, moist soil, and inside the tissues of plants & animals
What type of environment is ideal for most protists? Give examples.
Kingdom Protista
What kingdom are protists classified in?
Amoebas, ciliates, flagellates, sporozoans, algae, and slime molds.
What types of organisms are protists?
Which type of protists are plant-like?
algae
Which type of protists are plant-like?
Which types of protists are animal-like?
amoebas, ciliates, flagellates
Which types of protists are animal-like?
Which type of protists are fungus-like?
slime molds
Which type of protists are fungus-like?
Which type of protists are ALL parasites?
sporozoans
Which type of protists are ALL parasites?
Specialized organelles
Animals and plants have specialized tissues. Protists lack tissues, but have ____________________________.
What are ciliates?
a group of protozoans that move by waving tiny, hair-like organelles called cilia.
What are ciliates?
What is the gullet?
The organelle on ciliate protists where food is swept into
What is the gullet?
What does the contractile vacuole do?
It helps control the amount of water inside the protist by pumping out excess water.
What does the contractile vacuole do?
Name an example of a ciliate protist.
Paramecium
Name an example of a ciliate protist.
What is an amoeba?
a group of protozoans that move by means of pseudopods (false feet).
What is an amoeba?
Name an example of an amoeba.
Amoeba proteus
Name an example of an amoeba.
How do amoebas feed?
They surround their food with their pseudopods, and then take it into themselves in the form of a food vacuole.
How do amoebas feed?
How do amoebas move?
They stretch their cytoplasm in the direction they will move. The stretched out part becomes a pseudopod (false foot).
How do amoebas move?
What is a flagellate?
a group of protozoans that move using a whip-like organelle called a flagellum
What is a flagellate?
Name an example of a flagellate.
Euglena
Name an example of a flagellate.
How do flagellates move?
With the use of a flagella (whip-like tail)
How do flagellates move?
Most are a combination of plant and animal, meaning they can make their own food, but can also eat other things.
What do flagellates eat?
What organelle helps euglena to locate its food?
A light-sensitive eyespot
What organelle helps euglena to locate its food?
What are sporozoans?
a group of protozoans that do not have organelles for movement and are ALL parasites.
What are sporozoans?
A host
What is the organism called in which a parasite lives?
Name an example of a sporozoan.
Plasmodium
Name an example of a sporozoan.
Name the disease caused by plasmodium.
Malaria
Name the disease caused by plasmodium.
How is someone infected with malaria?
Malaria is transmitted by mosquitoes, so to become infected, you must be bitten by an infected mosquito.
How is someone infected with malaria?
What is malaria?
A mosquito-borne disease caused by a protozoan (plasmodium) that infects red blood cells. Plasmodium causes the red blood cells to burst, causing sickness and even death.
What is malaria?
Ciliates, flagellates, sporozoans, and amoebas.
Name the four types of protists.
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