Name ______________________________ Class ___________________ Date __________________
Section 1 A
Choose the best answer for the question.
1. What are protists?
a. eukaryotes
b. prokaryotes
c. fungi
d. plants
2. Which characteristic might belong to an animal-like protist?
a. multicellular
b. single-celled
c. decomposes the dead
d. can conduct photosynthesis
3. Which characteristic might belong to a plantlike protist?
a. looks like a slime mold
b. consumes other organisms
c. makes own food
d. can move during part of its life cycle
In the table below, fill in the boxes to show the categories of protests, how protists
get their food, and whether they are single-celled, colonial, or multicellular.
Protist Category
How They Get Their Food
Body Form
Animal-like protist
4.
5.
6.
7.
single-celled, colonial,
or multicellular
8.
decomposer (heterotroph)
multicellular
© Houghton Mifflin Harcourt Publishing Company
Holt McDougal Biology
1
Protists and Fungi
Name ______________________________ Class ___________________ Date __________________
MAIN IDEA: Protists are difficult to classify.
Choose the best answer for the question.
9. What kingdom are protists placed in?
a. Animalia
b. Plantae
c. Protista
d. Archaea
10. What domain do protists fall into?
a. Archaea
b. Bacteria
c. Eukarya
d. All of the above
11. What new technological development might result in the reclassification of
many of the protists?
a. genetic analysis
b. microbiology
c. electron microscopes
d. fMRI scanning
Choose whether the statement is true or false.
12. true / false All protists reproduce asexually.
13. true / false The main thing protists have in common is that they do not belong
in the other eukaryote kingdoms
Section 2
Fill in the table below with characteristics of animal-like protists. Sketch an
example of each one.
Structure used for movement
Example
flagella
1. Unlike the flagella of
prokaryototes, eukaryotic
flagella are extensions of
_______________.
zooflagellate sketch
2. Use Figure 2.1 as a guide.
© Houghton Mifflin Harcourt Publishing Company
Holt McDougal Biology
1
Protists and Fungi
Name ______________________________ Class ___________________ Date __________________
pseudopod
amoeba or foraminifera sketch
3. A pseudopod is a fake __________ 4. Use Figure 2.2 or 2.3 as a guide.
made of cytoplasm and
plasma ____________________.
cilia
5. Cilia are short structures that look
like ____________ and help an
organism to _____________ and
capture food.
paramecium sketch
6. Use Figure 2.4 as a guide.
7. What is the disease caused by the protist Plasmodium?
a. typhoid fever
b. common cold
c. malaria
d. tuberculosis
8 .
How is the disease caused by Plasmodium passed to humans?
a. It is passed through the bite of a mosquito.
b. It is passed through the air.
c. It is passed through contaminated water.
d. It is passed through contaminated food.
9. One protist causes sleeping sickness. What structure does that protist use to
move around?
a. pseudopod
b. flagella
c. cilia
d. microtubules
Vocabulary Check
Draw lines to connect each word with its definition.
10. a common name that refers to all
animal-like protists
a. cilia
11. shorter and more numerous than flagella
b. protozoa
12. means “fake foot”
c. pseudopod
© Houghton Mifflin Harcourt Publishing Company
Holt McDougal Biology
1
Protists and Fungi
Name ______________________________ Class ___________________ Date __________________
Section 3: Plantlike Protists
Fill in the table below with whether each plantlike protist is single celled or
multicellular, and indicate characteristics of each plantlike protist.
Protist
Single-celled or
multicellular?
Euglenoids
1. ___________
Characteristics
2. Can move around like an ____________
but conduct photosynthesis like a
________________.
Dinoflagellates 3. ___________
4. Have _________ flagella.
Diatoms
5. ___________
6. Covered with glasslike ______________,
well represented in the ______________
record.
Green algae
7. ___________
8. Thought to be an early ancestor of land
_____________.
Brown algae
9. ___________
10. Use the same type of chlorophyll as
_________. Examples include giant
__________.
Red algae
11. __________
12. Can grow at deeper depths because red
____________ allow them to absorb the
blue ______ that reaches deepest into
the ocean.
© Houghton Mifflin Harcourt Publishing Company
Holt McDougal Biology
1
Protists and Fungi
Name ______________________________ Class ___________________ Date __________________
13. What kind of plantlike protist has some members that can produce light
at night?
a. euglenoids
b. dinoflagellates
c. diatoms
d. green algae
14. What kind of plantlike protist is used to produce a thickening agent for
ice cream?
a. euglenoids
b. diatoms
c. brown algae
d. red algae
15. Why might brown algae and diatoms belong in one kingdom together?
a. because they look alike
b. because they are both edible
c. because they both conduct photosynthesis
d. because they both use the same kind of chlorophyll
MAIN IDEA: Many plantlike protists can reproduce both sexually and asexually.
Choose whether the statement is true or false.
16. true / false Some green algae can reproduce both sexually and asexually.
17. true / false Algae stop reproducing when they are under a lot of stress.
18. true / false Algae can produce spores that do not develop unless conditions
become favorable for survival.
19. true / false Some species of algae alternate reproduction methods every
generation, so that one generation reproduces asexually, while the next
reproduces sexually.
Section 4
1. How are funguslike protists different from fungi?
_______________________________________________________________
2. What are the two types of slime molds?
_______________________________________________________________
_______________________________________________________________
© Houghton Mifflin Harcourt Publishing Company
Holt McDougal Biology
Study Guide B
1
Protists and Fungi
Section 4: Funguslike Protists
Name ______________________________ Class ___________________ Date __________________
3. The protist that causes malaria is called Plasmodium. How is a funguslike
protist plasmodium different than this disease-causing Plasmodium?
_______________________________________________________________
_______________________________________________________________
4. What happens to a plasmodial slime mold when it is under environmental
stress?
_______________________________________________________________
5. What is unusual about the spores released by a slime mold?
_______________________________________________________________
_______________________________________________________________
6. A cellular slime mold produces a pseudoplasmodium, which means “fake
plasmodium.” How is a pseudoplasmodium of a cellular slime mold different
from a plasmodium of a plasmodial slime mold?
_______________________________________________________________
7. What was the cause of the Great Potato Famine in Ireland in the 1800s?
_______________________________________________________________
slime mold
water mold
_________________________ 15. can grow as large as a meter or more
_________________________ 16. has a resistant, resting stage
_________________________ 17. can have a cottony appearance
_________________________ 18. releases chemical signals that cause the
cells to swarm together
© Houghton Mifflin Harcourt Publishing Company
Holt McDougal Biology
Study Guide B
2
Protists and Fungi
Section 4: Funguslike Protists
Name ______________________________ Class ___________________ Date __________________
© Houghton Mifflin Harcourt Publishing Company
Holt McDougal Biology
3
Protists and Fungi