multiple choice

Question 1

all protists are ____

Answer 1

eukaryotes

Question 2

what domain does protists belongs to?

Answer 2

domain eukarya

Question 3

how does scientists classify protists?

Answer 3

by their methods of obtaining nutrition

Question 4

this classification of protist are HETEROTROPHS and usually INGEST bacteria, algae, etc.

Answer 4

animal-like or protozoans

Question 5

some protists reproduce asexually by ___ while others exchange genetic material during _____.

Answer 5

mitosis;meiosis

Question 6

advantages of protists by classifying them by their method of obtaining nutrition.

Answer 6

-it is convenient
-ignores the evolutionary relationship

Question 7

this classification of protist engulfs their food.

Answer 7

animal-like protists

Question 8

how does animal-like or protozoans organized?

Answer 8

based on their movement

Question 9

protists are believed to be the first eukaryotes billions of years ago as a result of?

Answer 9

endosymbiosis

Question 10

this classification of protists MAKE their OWN food through PHOTOSYNTHESIS.

Answer 10

plantlike protists

Question 11

this classification of protists MAKE their OWN food through PHOTOSYNTHESIS.

Answer 11

plantlike protists

Question 12

what is the only protist with chloroplast and only protist that perform photosynthesis?

Answer 12

algae

Question 13

algae are the only protists with ____ and subsequently the only protists that perform _____

Answer 13

chloroplast; photosynthesis

Question 14

this classification of protist ABSORB THEIR NUTRIENTS from OTHER organisms.

Answer 14

funguslike

Question 15

what classification of protist does ciliophora belongs to?

Answer 15

animal-like or protozoans

Question 16

example of phylum ciliophora?

Answer 16

paramecium or paramecia (unicellular protozoans)

Question 17

paramecia is enclosed by a layer of membrane called?

Answer 17

pellicle

Question 18

cilia on the paramecium are used for?

Answer 18

moving and feeding

Question 19

what is the use of CONTRACTILE VACUOLES?

Answer 19

-collect the excess water from cytoplasm and expel it, along with wastes, from the cell.
-helps maintain homeostasis

Question 20

animal-like protists that use PSEUDOPODS for feeding and locomotion.

Answer 20

sarcodina

Question 21

what is a pseudopod?

Answer 21

temporary extension of cytoplasm

Question 22

the most common studied sarcodines are found in the genus?

Answer 22

Amoeba

Question 23

amoebas are enveloped in an outer cell membrane and an inner thickened cytoplasm called?

Answer 23

ectoplasm

Question 24

what does animal-like protists’ cytoplasm contains?

Answer 24

contains a nucleus, food vacuoles, and occasionally contractile vacuoles

Question 25

waste products and undigested food particles are excreted by?

Answer 25

diffusion

Question 26

animal-like protists that belong to the phylum APICOMPLEXA are known as?

Answer 26

sporozoans

Question 27

why are animal-like protists that belong to the phylum APICOMPLEXA called sporozoans?

Answer 27

they can reproduce through spores

Question 28

this animal-like protozoans that use FLAGELLA for movement.

Answer 28

zoomastigina

Question 29

at least three species of _____ from the genus Trypanosoma cause infectious diseases in humans.

Answer 29

zooflagellates

Question 30

Chagas disease is also called?

Answer 30

American sleeping sickness

Question 31

what are the characteristics of algae?

Answer 31

-contain photosynthetic pigments -PRIMARY PIGMENT IS CHLOROPYLL -SECONDARY PIGMENTS allows them to absorb light energy in deep water.

Question 32

what are the three characteristics to classify algae?

Answer 32

-pigment types (chloropyll, carotenoid) -methods of food storage -somposition of cell wall

Question 33

what are the three characteristics to classify algae?

Answer 33

-pigment types (chloropyll, carotenoid) -methods of food storage -somposition of cell wall

Question 34

what is phytoplankton?

Answer 34

unicellular algae that provide the base of the food web in aquatic ecosystems and produce much of the oxygen in our atmosphere.

Question 35

what phylum does diatoms belongs?

Answer 35

phylum Bacillariphyta

Question 36

what does diatoms have?

Answer 36

two silica shells with two halves. one half fits inside the other, forming a box.

Question 37

what kind of autotrophs are diatoms?

Answer 37

photosynthetic autotrophs

Question 38

what does the silicon shells of diatoms form?

Answer 38

sediment that is used as an abrasive and filtering agent. (gives toothpaste its gritty texture.)

Question 39

what phylum are dinoflagellates belongs to?

Answer 39

phylum pyrrophata

Question 40

this plantlike protist are unicellular and have TWO FLAGELLA at right angles to one another which causes spinning.

Answer 40

dinoflagellates