G.2 Animal-like Protists

Question 1

Protozoa

Answer 1

“First animals” , animal like protist

Question 2

Paramecium

Answer 2

Single celled protists found in aquatic habitats

Question 3

Cilia

Answer 3

Short, eyelash-like structures that aid in movement

Question 4

Pellicle

Answer 4

Thin skin/ film that protects cell membranes in many Protozoa

Question 5

Trichocysts

Answer 5

Structure in various Protozoa with thin threads that can be ejected in response to certain stimuli

Question 6

Oral Groove

Answer 6

Channel found in certain Protozoa where food is directed into the mouth

Question 7

Gullet

Answer 7

Essentially a “throat” that helps with the intake of food

Question 8

Intracellular digestion

Answer 8

Digestion occurring within an individual cell (lysosomes have enzymes which digest particles in food vacuoles and worn out organelles)

Question 9

Food vacuole

Answer 9

Vacuole with digestive functions (helps organism to digest their food)

Question 10

Anal pore

Answer 10

Opening on exterior surface where undigested food, water or gas is expelled

Question 11

Contractile vacuoles

Answer 11

Specialized vacuole that regulates quantity of water in a cell

Question 12

Macronucleus

Answer 12

Larger type of nucleus of Protozoa (with cilia), used for everyday functions

Question 13

Micronucleus

Answer 13

Smaller nucleus, used in sexual reproduction

Question 14

Binary fission

Answer 14

Specialized type of mitosis (asexual reproduction) which separates a cell into two new ones

Question 15

Conjugation

Answer 15

Sexual reproduction in bacteria, Protozoa

Question 16

Cytoplasmic bridge

Answer 16

Thin direct cytoplasmic connections between two cells where molecules can pass

Question 17

Amoeba

Answer 17

Single celled microscopic organism that move via pseudopods and reproduce via binary fission

Question 18

Pseudopod

Answer 18

A “fake foot”, temporary foot-like structure that some organisms use to move

Question 19

Test

Answer 19

Hard and porous covering

Question 20

Cyst

Answer 20

Hardened “knot” of tissue

Question 21

Chemotaxic response

Answer 21

Response to chemicals. May be positive (attraction to stimuli) or negative (avoidance of stimuli)

Question 22

Phagocytosis

Answer 22

Cellular process of engulfing substances that are too large to pass through a cell membrane

Question 23

Pinocytosis

Answer 23

Type of endocytosis (ingestion of liquid into cell via budding of small vesicles from the cell membrane)

Question 24

Pathogenic

Answer 24

Able to cause disease

Question 25

Plasmodium

Answer 25

Protozoan of a genus that includes plasmodium that cause malaria

Question 26

Spores

Answer 26

Asexually produced entity, mass produced and germinate when they land in a suitable place

Question 27

Polymorphic

Answer 27

Having more than one body form in a lifetime

Question 28

Trypanosoma

Answer 28

Genus of protozoans that infect the blood of many vertebrate organisms (i.e. humans) and are transmitted by insects. Can cause things like sleeping sickness (tsetse fly)

Question 29

Flagella

Answer 29

Tail-like structure that things like bacteria, Protozoa and sperm use to move

Question 30

Chagas’ disease

Answer 30

disease caused by trypanosomes transmitted by bloodsucking bugs (i.e. kissing bugs)