Protista (Amoeba)

Question 1

What’s amoeba?

Answer 1

A microscopic organism that lives at the bottom of shallow freshwater ponds and streams

Question 2

Comment on cell/cells of amoeba?

Answer 2

Consists of a single cell (unicellular)

Question 3

What’s heterotrophic?

Answer 3

Takes in food

Question 4

Why is amoeba omnivorous?

Answer 4

Eats other single-celled protists, plants, animals

Question 5

Function of nucleus in amoeba?

Answer 5

Control centre

Question 6

Function of ectoplasm + endoplasm in amoeba?

Answer 6

Cytoplasm

Question 7

Function of pseudopodia in amoeba?

Answer 7

Movement,
Engulfs prey,
Extend in direction amoeba wants

Question 8

Function of contractile vacuole in amoeba?

Answer 8

Osmoregulation

Question 9

Function of food vacuole in amoeba?

Answer 9

Secretes acid + enzymes to kill then digest prey

Question 10

Function of cell membrane in amoeba?

Answer 10

Allows specific substances in/out of cell

Question 11

What’s the protoplasm?

Answer 11

Living material in the cell

Question 12

Function of the contractile vacuole?
(Osmoregulation)

Answer 12

1) Water enters due to osmosis
2) Excess water enters contractile vacuole
3) Contractile vacuole swells
4) Contractile vacuole touches the cell membrane
5) Contractile vacuole expels excess water