Name: ___________________ __________________ Block: __________ Date: ________________________________
Paramecium
Protozoan
Place the structure name in the table below, using the function
and the diagram label as clues.
Contractile vacuole, cilia, macronucleus, endoplasm,
anal pore, pellicle, food vacuole, gullet, micronucleus,
trichocyst, ectoplasm, mouth pore.
#
1
4
Function
Tiny hair-like projections
used for feeding and motility
Thick outer membrane;
maintains shape
Controls respiration, protein
synthesis, and digestion
Controls reproduction
5
Used to remove excess water
6
Food enters here
7
Accumulates food before a
food vacuole is formed
A vacuole forms around food
that is taken in
Undigested food particles
eliminated here
Thread-like organelles used
for defense
Clear fluid around the edges of
the paramecium
Dense fluid toward the centre
of the paramecium
2
3
8
9
10
11
12
Structure
Name: ___________________ __________________ Block: __________ Date: ________________________________
Protozoans (Kingdom Protista)
Worksheet #1 Biology 11
1. Describe the general characteristics of Kingdom Protista.
2. What are the three main groups Kingdom Protista are divided into? What characteristic
governs this division?
3. How do protozoans resemble animals? How are they dissimilar?
4. Compare the mobility of all four groups of protozoans (sarcodinians, zooflagellates,
Ciliaphorans, and sporozoans).
5. Why can’t the paramecium change shape like the amoeba?
6. Complete the table.
Disease
Protozoan
Trypanosoma
Amoebic Dysentry
Entamoeba histolytica
Plasmodium vivax
Human symptoms
Group of Protozoan
Name: ___________________ __________________ Block: __________ Date: ________________________________
7. Describe the process of conjugation and its importance to paramecium.
8. Explain the functions of the micronucleus and the macronucleus.
9. The ______________________________ protists are all unicellular Heterotrophs known as
protozoans.
10. Amoebas move and change their body shape by forming extensions of their plasma
membranes called _____________________________________________.
11. Amoebas use _______________________________________ to pump out excess water from their
cytoplasm.
12. Most amoebas reproduce by __________________________________ in which the parent
produces one or more identical offspring by dividing into two cells.
13. One group of protozoans are called _________________________________ because they move by
whipping one or more flagella from side to side.
14. A paramecium moves by beating thousands of hair-like __________________________.
15. When food supplies are low, paramecia may reproduce by undergoing a form of
__________________________________.
15. Parasitic protozoans called ______________________________ live inside their hosts and may
reproduce by means of a spore.
16. The insect that is responsible for transmitting malaria-causing protozoans to humans is
the _____________________________________.