Chapter 22: Protists

Question 0

Animal like protist category

Answer 0

Ingestive

Question 1

Produce over half the worlds oxygen and carbon

Answer 1

Phytoplankton

Question 2

Fungal like protist category

Answer 2

Absorptive

Question 3

Plant like protist category

Answer 3

Photosynthetic

Question 4

Anaerobic environments, two nuclei and multiple flagella. many are parasitic, predatory

Answer 4

Supergroup excavata-diplomonads

Question 5

Create H gas as a byproduct of fermentation. Sexually transmitted. Feeds on vaginal lining.

Answer 5

Parabasalids.

Question 6

Autotrophic, but some are heterotrophic or mixotrophic. Flagellates, euglenids( characterized by an anterior pocket from which 1 or 2 flagella emerge) and kinetoplastids- single large mitochondria associated with the organelle, kinetoplast. Bait and switch tactic against immune system

Answer 6

Euglenozoa.

Question 7

Move and feed by cilia. Asexual but use conjugation for genetic diversity

Answer 7

Ciliates.

Question 8

Chlorophyta phylum

Answer 8

Green algae

Question 9

Phylum rhodophyta

Answer 9

Red algae

Question 10

Phylum rhodophyta belongs to the supergroup

Answer 10

Archaeplastida

Question 11

Red algae is

Answer 11

Usually multicellular, mostly marine, most abundant species in coastal waters of the tropics.

Question 12

Green algae is

Answer 12

Photosynthetic, lives in freshwater and marine. Unicellular, colonial or multicellular.

Question 13

Supergroup Alveolata is

Answer 13

Named for saclike membranous vesicles present in cell periphery.

Question 14

Phyla in supergroup Alveolata

Answer 14

Ciliophora, dinozoa, apicomplexa.

Question 15

Phylum rhizaria

Answer 15

Attached to rocks or sand in marine water. Shells made of calcium carbonate. Move by pseudo podia.

Question 16

Dinoflagellates form

Answer 16

Blooms. Results in red tides. Produces carbon as a food source for reef community.

Question 17

Apicomplexans are

Answer 17

Nearly all parasites of animals.

Question 18

Stramenophiles

Answer 18

Stramenopila refers to numerous hair like projections on the flagella. E.g. Diatoms, brown algae.

Question 19

Golden algae cells are

Answer 19

Biflagellated

Question 20

Plastids of red algae, green algae and land plants have a

Answer 20

Double membrane envelope. Originated by primary endosymbiosis.

Question 21

Heterotrophic host cells captured cyanobacterial cells via phagocytosis but did not digest them.

Answer 21

Primary symbiosis

Question 22

Primary plastids evolved from

Answer 22

Endosymbiotic Cyanobacteria within a host.

Question 23

Secondary plastids evolved from a

Answer 23

Photosynthetic eukaryote. Originated from secondary endosymbiosis.

Question 24

Oomycetes (water molds)

Answer 24

Heterotrophic, lack chloroplasts. Biflagellated zoospores that infect others. Cell wall made of cellulose.

Question 25

Super group Amoebozoa

Answer 25

Common in soil, freshwater and marine water. Most are heterotrophic.

Question 26

Plasmodial slime molds

Answer 26

Most are brightly pigmented. Not multicellular. Mass called plasmodium.

Question 27

Cellular slime molds

Answer 27

Form multicellular aggregrates when nutrients deplete. Cells remain separated by their membranes.

Question 28

Supergroup ophistokonta

Answer 28

Includes animal and fungal kingdoms and related protests. Named for posterior flagellum on swimming cells