Protists
Transcript of Protists
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Protists!!!
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Protists
Protists can be defined as single-celled organisms that contain a nucleus
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Protists
Protists live in: Watery environments Moist soil Live inside larger organisms
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Protists
Characteristics Can be autotrophic or heterotrophic Most live as individual cells Some live in large colonies
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Protists
3 Major kinds of Protists Animallike Plantlike Funguslike
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Protists
The animallike protists are broken down into 4 major groups Sarcodines Ciliates Zooflagellates Sporozoans
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Sarcodines
Sarcodines can be identified by their pseudopods or “false-foot” Pseudopod is a footlike extension that an
amoeba uses to move and capture food Ex. Amoeba (NNN) VIDEO!!!
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Ciliates
Ciliates have small hairlike projections on the outside of their cells Cilia act like tiny oars to move the
organism Ex. Paramecium Stentor, Spirostomum
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Zooflagellates
Zooflagellates are animallike protists that move using a flagella (usually 1-8 flagella)! Many kinds live inside other organisms
as symbionts a few are parasites Ex. Giardia
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Sporozoans
All sporozoans are parasites that feed on the cells and body fluids of their host animals
Ex. Plasmodium malaria
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Plantlike Protists
Plantlike protists capture energy from the sun using chloroplasts
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Plantlike Protists
Three major groups of plantlike protists Euglenas Diatoms Dinoflagellates (WHICH IS WHICH????)
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Euglena
All possess two flagella, eyespots (why?!), and green structures used in photosynthesis
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Diatoms
Diatoms are plantlike protists made of a tough glasslike, silicon material
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Dinoflagellates
Dinoflagellates are plantlike protists that have two flagella and armor like cell walls
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Fungus-like Protists
Fungus-like protists are heterotrophic, have cell walls, and use spores to reproduce. An example are slime molds.
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Adios, ameobas…
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