๐Ÿ’ฌ ๐Ÿ‘‹ Weโ€™re always here. Join our Discord to connect with other students 24/7, any time, night or day.Join Here!

Biology 2015

Sylvia S. Mader, Michael Windelspecht

Chapter 21

Protist Evolution and Diversity

Educators

OO
+ 4 more educators

Problem 1

Mitochondria in protists originated from
a. cyanobacteria.
b. chloroplasts.
c. anaerobic bacteria.
d. aerobic bacteria.
e. eukaryotic cells.

Heather T.
Numerade Educator

Problem 2

Through what process did eukaryotic cells gain chloroplasts and mitochondria?
a. engulfment
b. endosymbiosis
c. endocytosis
d. phagocytosis
e. transformation

Nalvi D.
Numerade Educator

Problem 3

What feature of protists allow them to survive harsh environmental conditions?
a. vegetative cells
b. plankton
c. cysts
d. plastids
e. vacuoles

Alexander C.
Numerade Educator

Problem 4

Which of these is a green alga?
a. Volvox
b. Gelidium
c. Euglena
d. Paramecium
e. Plasmodium

Nalvi D.
Numerade Educator

Problem 5

In Chlamydomonas, the adult vegetative cell
a. is haploid.
b. survives harsh environments.
c. produces zygospores.
d. is dormant.
e. is ciliated

Rabia B.
Numerade Educator

Problem 6

In the life cycle of Ulva, which stage is diploid?
a. spore
b. sporophyte
c. gamete
d. gametophyte

Nalvi D.
Numerade Educator

Problem 7

Kelp represent which type of protist?
a. archaeplastida
b. chromalveolata
c. opisthokonta
d. excavata
e. rhizaria

Check back soon!

Problem 8

What is the main component of a diatom shell?
a. agar
b. peptidoglycan
c. silica
d. calcium carbonate
e. paramylon

Nalvi D.
Numerade Educator

Problem 9

Dinoflagellates
a. usually reproduce sexually.
b. have protective cellulose plates.
c. are insignificant producers of food and oxygen.
d. have cilia instead of flagella.
e. tend to be larger than brown algae.

Jared A.
Numerade Educator

Problem 10

Ciliates
a. move by pseudopods.
b. are not as varied as other protists.
c. feed and move using cilia.
d. do not divide by binary fission.
e. are closely related to the radiolarians

Nalvi D.
Numerade Educator

Problem 11

Apicomplexans are responsible for which disease?
a. vaginitis
b. African sleeping sickness
c. red tide
d. Chagas disease
e. malaria

NA
Nkoli A.
Numerade Educator

Problem 12

Protists that may lack mitochondria and possess deep oral grooves are known as
a. excavates.
b. apicomplexans.
c. alveolates.
d. amoeboids.
e. ciliates.

Nalvi D.
Numerade Educator

Problem 13

Which genus of protists causes African sleeping sickness and Chagas disease?
a. Plasmodium
b. Trypanosoma
c. Entamoeba
d. Trichomonas
e. Giardia

DC
Darolnisha C.
Numerade Educator

Problem 14

Plasmodial and cellular _____ are important decomposers that have an amoeboid vegetative state.
a. brown algae
b. water molds
c. filamentous algae
d. slime molds
e. red algae

Nalvi D.
Numerade Educator

Problem 15

Skeletons called _____ are formed by rhizarians and can be used to date fossils.
a. tests
b. plankton
c. cysts
d. plastids
e. valves

Check back soon!