Scelta multipla
Which of these is not true about both protostomes and deuterostomes living on land?
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27. Protists
Introduction to Protists
Scelta multipla
Which of the following are methods and/or structures that protists utilize for movement?
A
Cilia
B
Pseudopodia
C
Flagella
D
Roots
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Begin by understanding that protists are a diverse group of eukaryotic microorganisms, and they have various methods of movement to navigate their environments.
Identify the three primary structures used by protists for movement: cilia, pseudopodia, and flagella.
Cilia are short, hair-like structures that cover the surface of some protists. They beat in coordinated waves, allowing the organism to move or to create currents to bring food particles closer.
Pseudopodia are temporary, foot-like extensions of the cell membrane and cytoplasm. Protists like amoebas use pseudopodia to move by extending and retracting these structures, a process known as amoeboid movement.
Flagella are long, whip-like structures that protrude from the cell body. Protists with flagella move by rotating or whipping these structures, propelling themselves through their environment.
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