Chapter 28-Protists

Question 1

Protists

Answer 1

unicellular eukaryotes that are NOT plants, animals or fungi

Question 2

Protists are free living meaning

Answer 2

found in water, damp soil, leaf litter, other moist places

Question 3

Protists are symbionts

Answer 3

inhabit the Body fluids, tissues , or cells

Question 4

Protists reproduce by:

Answer 4

Asexual and sexual reproduction:

sexual reproduction by meiosis and fertilization

Question 5

Protists are ____ autotrophs

Answer 5

photo, heterotrophs, mixotrophs

Question 6

photoautotrophs contain

Answer 6

chloroplasts

Question 7

heterotrophs absorb

Answer 7

organic molecules

Question 8

mixotrophs, combine photosynthesis and

Answer 8

hetrrorphic nutriton

Question 9

Endosymbiosis

Answer 9

process in which a unicellular organism engulfs another cell

Question 10

Plastid bearing lineage of protists evolved into

Answer 10

red and green algae

Question 11

4 Supergroups of Eukaryootes (ESAU)

Answer 11

Excavata
SAR
Archaeplastida
Unikonta

Question 12

Excavata are

Answer 12

protists with modified mitochondria and unique flagella

Question 13

Excavata 3 clades (DPE)

Answer 13

Diplomonads, Parabasalids, Euglenozoans

Question 14

diplomonads have: (4)

Answer 14

modified mitochondria

derive energy anaerobically by glycolysis

2 equal sized nuclei and multiple flagella

often parasites

Question 15

Diplomonads example

Answer 15

stomach parasite; giardia intestinalis

Question 16

Parabasalids have (1_

Answer 16

Reduced mitochondria

Question 17

Parabasalids example

Answer 17

Trichomonas Vaginalis (std causing agent)

Question 18

Euglenozoans (3)

Answer 18

Includes retro, photo, auto, mix, trophs, pathogenic parasites

main feature is a spiral or crystalline rod

clade includes the kinetoplastids

Question 19

Euglenozoans 2 groups

Answer 19

Kinetoplastids + Euglenids

Question 20

Kinetoplastids effect

Answer 20

cause sleeping sickness

large mitochondria contains DNA kinetoplast

Question 21

Kinetoplastids example

Answer 21

Trypanosome ( African sleeping condition)

Question 22

Euglenids (2)

Answer 22

Mixotrophs, contain chloroplast and obtain nutrients

contain flagella

Question 23

Euglenids example

Answer 23

Euglena

Question 24

Trypanosoma ( Euzloans—> Kinet.

Answer 24

evade immune responses by switching surface proteins

prevent host from developing immunity

Question 25

SAR stands for

Answer 25

stramenopiles, alveolate, and rhizarians

Question 26

Stramenopilia contain (3)

Answer 26

photosynthetic diatoms, brown algae, oomycetes

Question 27

Diatoms

Answer 27

unicellular algae remove carbon dioxide from and atmosphere and pump into ocean floor

Question 28

Brown Algae

Answer 28

Largest and most complex multicellular algae carotenoids produce the brown color

Question 29

Seaweed structures:

Answer 29

holdfast, stipe, blades

Question 30

Oomycytes

Answer 30

water molds, white rusts, downy mildews

Question 31

Alveolates

Answer 31

membrane-encloses sacs

Question 32

Alveolates include

Answer 32

Dinoflagellates, apicomplexans ciliates

Question 33

Ciliates

Answer 33

named for their use of cilia to move around and feed on bacteria on other protists

Question 34

Asexual reproduction occurs by

Answer 34

binary fission

Question 35

Rhizarians

Answer 35

Ameobas

Question 36

Rhizarians (3)

Answer 36

radiolarians, formas, cercozoans

Question 37

3. Archaeplastida includes

Answer 37

red algae, green algae, and plants

Question 38

Red Algae contains ___ to make it red

Answer 38

phycoerythrin

Question 39

Green Algae

Answer 39

green for chloroplasts

Question 40

Unikonts

Answer 40

protists closely related to fungi

Question 41

2 clades of unikonts:

Answer 41

1. Amoebozoans 2. opisthotonos

Question 42

Ameobozoans

Answer 42

amoebas that have lobe, tube shaped, pseudopodia

Question 43

Symbiotic Protists

Answer 43

some are beneficial and some are parasites plasmodium can cause malaria

Question 44

Photosynthetic Protists

Answer 44

Producers, organisms that use energy from light ( inorganic) to C02 to organic compounds