Unicellular Organisms

How do protists differ from bacteria?

• Bacteria are unicellular and protists are multicellular.

• Protists are prokaryotic, while bacteria are eukaryotic.

• Bacteria are prokaryotic, while protists are eukaryotic.

• Bacteria have nuclei, but protists do not.

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NGSS.MS-LS4-2

Tiny hair-like structures that help a Paramecium move are called...

• Vacuoles

• Cilia

• Flagella

• Pseudopods

The movement of an amoeba, where the cytoplasm flows and the rest of the cell follows is called...

• Pseudopodium Flow

• Rolling

• Cytoplasmic pulling

• Cytoplasmic streaming

When a unicellular organism splits into two cells, we call this type of asexual reproduction...

• Fragmentation

• Binary Fission

• Meiosis

• Twinning

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NGSS.MS-LS3-2

Some protists have this to expel excess water.

• A contractile vacuole

• A pseudopod

• A flagellum

• A centrosome

Many unicellular organisms that can photosynthesize may display...

• chemotaxis

• cytoplasmic streaming

• positive phototaxis

• negative aerotaxis

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NGSS.MS-LS1-6

Some bacteria may move in response to a higher concentration of sugar. This is called.

• Phototaxis

• Chemotaxis

• Aerotaxis

• Glucotaxis

Amoebas will send out temporary protrusions to encapsulate its food. These arm-like structures are called...

• Encapsulating Vacuoles

• Cilia

• Flagella

• Pseudopods

Tags

NGSS.MS-LS1-2

In addition to helping a paramecium move, cilia can...

• sweep food into its gullet.

• fight off prey.

• have poison tips.

• help attract mates.

Both Unicellular and Multicellular organisms...

• have chloroplasts.

• have nuclei.

• have DNA.

• reproduce asexually.

Tags

NGSS.MS-LS3-2