Protists
Name: ______________________ Date: ____________
Write the letter of the matching definition next to each term.
1. volvox
A. A tiny cavity filled with fluid in the cytoplasm of a cell
2. pseudopod
B. Freshwater algae consisting of minute filaments containing spiral chlorophyll bands
3. chlamydomonas
C. Microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica (plural)
4. protists
D. Minute single-celled green freshwater organism having a single flagella
5. euglena
E. Having cells with `good' or membrane-bound nuclei
6. eukaryotic
F. Any organism of ___ size
7. algae
G. An eyelike marking
8. spirogyra
H. Type genus of the ___
9. microorganism
I. A speaker with an unusually loud voice
10. paramecium
J. Diffusion of molecules through a semipermeable membrane from a place of higher concentration to
11. zygnema
K. Parasitic spore-forming protozoan
12. vacuole
L. Chiefly marine protozoa having two flagella (plural)
13. stentor
M. Type genus of ___
14. diatoms
N. Type genus of the family ___
15. osmosis
O. Temporary outgrowth used by some microorganisms as an organ of feeding or locomotion
16. oedogonium
P. Any of diverse minute acellular or unicellular organisms usually nonphotosynthetic (plural)
17. dinoflagellates
Q. Type genus of the ___
18. eyespot
R. Type genus of the family ___
19. protozoans
S. A suspected cause of diarrhea in humans
20. peridinium
T. Free-living or colonial organisms with diverse nutritional and reproductive modes (plural)
21. sporozoan
U. Any member of the genus ___
22. giardia
V. Primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots