Lesson 12: Protozoans

Question 1

protists are… (cell type, habitat, cell structure/organelles)

Answer 1

• simplest type of eukaryotes
• usually aquatic, present in areas with moisture
• have a nucleus and membrane-bound organelles

Question 2

protists are mostly… but sometimes… (# of cells)

Answer 2

unicellular, multicellular

Question 3

protists can either produce food or take from other organisms, meaning they are…

Answer 3

autotrophic and heterotrophic

Question 4

protist relationships can be beneficial or one-sided, meaning protists are both…

Answer 4

symbiotic and parasitic

Question 5

types of protist organs for locomotion (3)

Answer 5

• flagella
• cilia
• pseudopodia

Question 6

protozoa are… -like, (cell type), (cell number), and are (mobility)

Answer 6

• animal-like
• eukaryotes
• unicellular
• motile

Question 7

protozoa can reproduce both…(2) through… (2)

Answer 7

sexually : conjugation
asexually : binary fission

Question 8

protozoans have 3 classes…

Answer 8

• sarcomastigophora
• ciliophora
• apicomplexa

Question 9

… is a protozoan class with the subclasses … with pseudopodia and … with flagella

Answer 9

sarcomastigophora, sarcodina, mastigophora

Question 10

… is a protozoan class that has cilia and is slipper shaped and are found in fresh water

Answer 10

ciliophora

Question 11

… is a protozoan class that has the apical complexes which host cell invasion process

Answer 11

apicomplexia

Question 12

protozoa are (food obtainment) and have …-like behavior

Answer 12

heterotrophic, animal-like

Question 13

… protozoas exist in the cells of larger organisms

Answer 13

parasitic

Question 14

protozoans with false feet are…

Answer 14

amoeboid protozoans

Question 15

protozoans with flagella are…

Answer 15

flagellated protozoans

Question 16

protozoans with cilia are…

Answer 16

ciliated protozoans

Question 17

protozoans with spore-like stage are…

Answer 17

sporozoans

Question 18

fungi-like protists are called…

Answer 18

slime molds

Question 19

slime molds are… meaning they feed on decaying matter

Answer 19

saprophytic

Question 20

slime molds are characterized by aggregates called… which are…

Answer 20

plasmodium, slime molds that grow/spread like pseudopods

Question 21

there are 3 types of plant-like protists called…

Answer 21

chrystophytes, dinoflagellates, and euglenoids

Question 22

plant-like protists: (# of cells, obtainment of food, habitat, and structure)

Answer 22

• multicellular or unicellular
• photosynthetic
• found in freshwater
• stiff cell wall

Question 23

plant-like protists that have hard, siliceous cell wall, and is photosynthetic are called…

Answer 23

chrystophytes

Question 24

plant-like protists that are photosynthetic, multi-colored, and bioluminescent are called…

Answer 24

dinoflagellates

Question 25

plant-like protists that are the link between animal and plant protists lack cell walls, perform photosynthesis but can be heterotrophs, and have pellicle are called…

Answer 25

euglenoids