Protist and Characteristics of Life '25

Euglena has a specialized organelle called an eyespot. What is its function?

• The eyespot helps euglena locate prey during the dark.

• the eyespot helps euglena avoid predators

• the eyespot is light sensitive which helps euglena move to areas where light is best for photosynthesis

• the eyespot does not see but detracts predators from attacking from the rear because they think it “has eyes in the back of its head”

Tags

NGSS.MS-LS1-2

An organism made up of cells that have a nucleus enclosed by a membrane.

• A. Protist

• B. Eukaryotic

• C. Cell

• D. ducks

Tags

NGSS.MS-LS1-2

How does an Amoeba move?

• it moves by whipping it tail, called a flagellum

• it uses small legs outside its body to "crawl around" on dry surfaces

• it uses the cilia like oars to paddle through water

• it stretchs out its body with a psuedopod

How does a Paramecium move?

• it moves by whipping it tail, called a flagellum

• it uses small legs outside its body to "crawl around" on dry surfaces

• it uses the cilia like oars to paddle through water

• it cannot move

How does a Euglena move?

• it moves by whipping it tail, called a flagellum

• it uses small legs outside its body to "crawl around" on dry surfaces

• it uses the cilia like oars to paddle through water

• it cannot move

Which structure is identified as X?

• cilia

• flagellum

• pseudopod

• vacuole

What parts of a volvox are directly responsible for its movement?

• chloroplasts

• eyespots

• vacuoles

• flagella

How does an euglena obtain its food?

• It travels in colonies and attacks other organisms that it eats as food.

• It moves toward food by cytoplasmic streaming and then engulfs the food.

• It uses an eyespot to detect light that it uses to create food through photosynthesis.

• It moves toward food by beating cilia and then pushes food to the oral groove for ingestion.

Tags

NGSS.MS-LS1-6

Which two single-celled organisms have chloroplasts?

• amoeba and paramecium

• amoeba and euglena

• amoeba and volvox

• euglena and volvox

Tags

NGSS.MS-LS1-6

How are flagella and cilia alike?

• They help organisms reproduce.

• They help organisms process wastes.

• They help organisms digest their food.

• They help organisms move toward food.