Single Cell Organisms Question Preview (ID: 37785)


Single Cell Organisms. TEACHERS: click here for quick copy question ID numbers.

Used to locate brightest area in the environment
a) flagellum
b) eyespot
c) cilia
d) pseudopods

Organisms that make their own food
a) autotrophs
b) heterotrophs
c)
d)

organisms that must obtain their food
a) autotrophs
b) heterotrophs
c)
d)

Where food is taken in by a single celled organism
a) contractile vacuole
b) oral groove
c) food vacuole
d)

helps a single celled organism get rid of extra water from the cell
a) oral groove
b) contractile vacuole
c) food vacuole
d)

What does an amoeba use for movement?
a) pseudopods
b) flagella
c) cilia
d)

What does a paramecium use for movement?
a) cilia
b) flagella
c) pseudopods
d)

What does an Euglena and Volvox use for movement?
a) pseudopods
b) flagella
c) cilia
d)

Amoeba, Paramecium, and Euglena are pictured below. How do these organisms compare?
a) They use different structures to control cell activity.
b) They use different structures for movement.
c) They all make their own food by photosynthesis.
d) They all have eyespots to sense sunlight.

What do the rod-like green structures within the Euglena allow the organism to do?
a) exist in a colony
b) use sunlight to make food
c) use its cilia to fight other organisms
d) move from one place to another

Which protist exists as a colony?
a) Euglena
b) Volvox
c) Amoeba
d) Paramecium

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