Protista

Question 1

what example of protista did you study?

Answer 1

amoeba

Question 2

what are the features of protista

Answer 2

• Very varied group - difficult to define features
  . Usually single-celled (multicellular protists are very simple)
  eukaryotic

Question 3

give 3 examples of a protista

Answer 3

microscopic plankton, visible seaweed, amoeba

Question 4

what is amoeba

Answer 4

Microscopic protist that lives at the bottom of shallow freshwater ponds

Question 5

what type of nutrition does amoeba use

Answer 5

heterotrophic omnivore

Question 6

structure of amoeba

Answer 6

small amount of cytoplasm surrounded by cell membrane

Question 7

what shape is amoeba

Answer 7

no fixed shape

Question 8

what are pseudopodia

Answer 8

false feet
allow amoeba to move and engulf

Question 9

what is the contractile vacuoles role

Answer 9

osmoregulation

Question 10

in amoeba, what is the function of the nucelus

Answer 10

control cell activity

Question 11

in amoeba, what is the function of the food vacuole

Answer 11

digest ingested food particles

Question 12

in amoeba, what is the function of cell membrane

Answer 12

allows diffusion off gases/water

Question 13

how does the contractile vacuole work

Answer 13

The contractile vacuole regulates the amount or water in the Amoeba,
The vacuole collects excess water that moves into the Amoeba.
It moves to the surface of the cell, where it contracts or bursts.
It releases the excess water out of the cell.

Question 14

what does osmoregulation need from the cell to work

Answer 14

energy produced by the cell

Question 15

how does amoeba repoduces

Answer 15

asexual binary fission