Chapter 23

Question 1

What are the 4 supergroups of protists?

Answer 1

Excavata, SAR, Archaeplastida, Unikonta

Question 2

What does SAR stand for?

Answer 2

Stramenopila, Alveolata, and Rhizaria

Question 3

Why can’t protists be classified as a plant, fungi, or animal?

Answer 3

Plant: becuase their gametes and zygotes are not protected from drying out
Fungi: they do not have chitin in their cell wall
Animal: do not undergo embryonic development

Question 4

2 subgroups of Unikonta

Answer 4

Amoebozoans and Opisthokonts

Question 5

2 types of Green Algae

Answer 5

Charaphytes and Charophytes

Question 6

Answer 6

Know this 🤧

Question 7

Unicellular algae

Answer 7

Diatom

Question 8

Multicellular algae

Answer 8

Red, golden, green, or brown

Question 9

What are chlamydomonas?

Answer 9

Green algae, Archaeplastida

Question 10

What are plants thoughts to be derived from?

Answer 10

Chlorophyta because they have a cell wall that contains cellulose, they posssess chlorophyll’s a & b, and store excess food as starch

Question 11

Example of multicellular green algae

Answer 11

Ulva

Question 12

Colonial form of green algae

Answer 12

Volvox (a colony is a loose association of independent cells)

Question 13

Classify red algae

Answer 13

Rhodophyta, Archaeplastida

Question 14

Classify brown algae

Answer 14

The phaeophyta, stramenopiles, SAR

Question 15

Classify yellow/green algae

Answer 15

The chrysophyta, stramenopiles, SAR

Question 16

What are the most number ours unicellular algae in the oceans?

Answer 16

Diatoms

Question 17

What produces most of the world’s oxygen

Answer 17

Diatoms, NOT plants

Question 18

What is plankton?

Answer 18

The diverse collection of organisms that live on large bodies of water that move with the current

Question 19

Excavata

Answer 19

heterotrophs

Question 20

Some diseases caused by Excavata

Answer 20

Euglenozoan: african sleeping disease, chagas disease
Diplomonad: causes severe diarrhea
Parabasalid: STD vaginitis

Question 21

What is the most common flagellate in the human digestive tract?

Answer 21

Giardia lamblia (Diplomonad, Excavata, Protist)

Question 22

What are amoeboids?

Answer 22

Protists that move and ingest their food with pseudopods

Question 23

What do Unikonta use to digest food?

Answer 23

Phagolysosomes

Question 24

Which supergroup of protist have 2 different types ofnuclei and what are their names?

Answer 24

SAR: Micronucleus (used for hereditary) and Macronucleus (used for metabolism)

Question 25

Explain genetic variation in SAR

Answer 25

Genetic variation results from conjugation, where two individuals exchange micronuclei that fuse together

Question 26

What is an apicomplexan?

Answer 26

A type of Alveolate, SAR, that is a parasite of animals

Question 27

What parasite causes malaria?

Answer 27

Plasmodium Vivax

Question 28

What is a zoospore?

Answer 28

Motile asexual spore that uses a flagellum for locomotion

Question 29

What is Pseudopodia?

Answer 29

Temporary protrusions of the cytoplasm that make hair like little legs that help move the cell

Question 30

Compare and contrast plants Vs algae

Answer 30

Question 31

2 types of slime molds

Answer 31

Plasmodial (multinucleated, cytoplasmic mass) and Cellular (body in the form of individual amoeboid cells)

Question 32

What causes potato late blight? (Like the Irish potato famine)

Answer 32

Oomycete, stramenopile, SAR. A blight is a massive botanical death