Chapter 22: Protista

Question 1

Name a Protista.

Answer 1

Amoeba

Question 2

What is the habitat for amoeba?

Answer 2

Fresh water

Question 3

What is the function of a cell membrane?

Answer 3

Gas exchange holds cell together

Question 4

What is the function of a food vacuole?

Answer 4

Kills and digests prey

Question 5

What are the two types of protoplasm?

Answer 5

Endoplasm

Ectoplasm

Question 6

What is endoplasm?

Answer 6

Fluid on the inner part of the cell

Question 7

What is ectoplasm?

Answer 7

Firm part of the outer cell

Question 8

What is the function of the pseudopodia?

Answer 8

Used for movement and to engulf prey

Question 9

What is contractile vacuole?

Answer 9

Eliminates water and prevents the cell from bursting (osmoregulation)

Question 10

Explain Osmoregulation

Answer 10

Water enters due to osmosis
Excess water enters contractile vacuole 
Vacuole swells 
Vacuole touches cell membrane 
Vacuole expels water