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Question 1

Protists are

Answer 1

Eukaryotic

Question 2

Protist

Answer 2

catch-all term for eukaryotic organisms that are not plant animal or fungi

Question 3

most protists are

Answer 3

unicellular

Question 4

photoautotrophs

Answer 4

photosynthesis

Question 5

heterotrophs

Answer 5

consume organic material

Question 6

mixotrophs

Answer 6

obtain nutrition both ways depending on whether sunlight or organic nutrients are available

Question 7

phagocytosis

Answer 7

engulfment of a food particle

Question 8

symbionts

Answer 8

organism that forms a symbiotic relationship

Question 9

photoautotrophic protists aid in a symbiotic relationship with

Answer 9

coral

Question 10

several protist species are ___ that infect animals or plants

Answer 10

parasites

Question 11

nearly all protists live in some kind of

Answer 11

aquatic environment

Question 12

saprotrophs

Answer 12

live on dead organisms or their waste- contribute to their decay

Question 13

algae

Answer 13

phylum of protists that carry out photosynthesis

Question 14

many algae are symbionts with

Answer 14

fungi plants or animals

Question 15

majority of algae are

Answer 15

unicellular, but many are filamentous or colonial

Question 16

some algae are

Answer 16

multicellular ex sea lettuce

Question 17

plants are thought to be derived from

Answer 17

charophta (green algae) because both have a cell wall that contains cellulose, chloroplasts with chlorophylls a and b, store excess food as starch

Question 18

red algae

Answer 18

multicellular, grow mostly in warmer sea water some as deep as 200 m

Question 19

agar

Answer 19

capsules; dental impressions, cosmetics, culture medium, etc.

Question 20

carrageenan

Answer 20

emulsifying agent used in chocolate, low fat foods, toothpaste, and cosmetics

Question 21

brown algae (phaeophyceae)

Answer 21

most live in colder ocean water along rocky coasts (seaweed, kelp)

Question 22

diatoms

Answer 22

significant portion of phytoplankton
produce 25-50% if oxygen generated each year

Question 23

diatoms double every

Answer 23

24 hours, live 6 days

Question 24

diatoms contain

Answer 24

silica (sand)

Question 25

zooflagelletes

Answer 25

most are symbiotic, many parasitic

Question 26

amoebas use ___ to digest food

Answer 26

phagolysosomes

Question 27

ciliates

Answer 27

hundreds of cilia beat in coordinated rythm

Question 28

cilliates have two nuclei

Answer 28

micronucleus- genetic info

Question 29

dinoflagellates

Answer 29

bioluminescence, many secrete toxis