File:
invertexam1.htm> <Index to Invertebrates> <Bibliography> <Glossary> Site Description <Navigate
to Home>
|
EXAMINATION
& EXERCISES #1 Invertebrate
Zoology: Protozoa -- Platyhelminthes (Contact)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1.
Briefly describe the structure and the function of each of the
following structures in an animal:
a. trichocyst
b. siphonoglyph
c. seminal vesicle
d. nyoneme
e. statocyst
f. vitellaria
g. colloblast
h. cirrus in Protozoa
i. cirrus in Platyhelminthes 2.
Define each of the following terms and name the phylum, class or other
group where it usually occurs:
a. strobilization b.
conjugation
c. polymorphism
d. entolecithal eggs e.
holophytic nutrition 3.
Give two ways of distinguishing between each of the following:
a. cross-sections of a
hydrozoan polyp and anthozoan polyp.
b. a colorless flagellate and
a ciliate.
c. cross-sections of sycon and
ascon sponges.
d. cross-sections of a
turbellarian and a cestode.
e. a scyphozoan medusa and a
hydrozoan medusa. 4.
Name the class or lower taxonomic groups of Protozoa where each of the
following most generally occurs: a. tentacles
___________________________________________________________________________. b.
reticulopidoa
_______________________________________________________________________.
c. holophytic nutrition
__________________________________________________________________.
d. two kinds of nuclei
__________________________________________________________________. e. axopodia
__________________________________________________________________________. f.
parasitism _________________________________________________________________________. 5.
Name two animals, each from a different phylum having the following
type of skeleton, and give the phylum and class for each: Animal Phylum Class
Calcareous
a.
________________________________________________________________________.
b.
________________________________________________________________________.
Siliceous
a.
________________________________________________________________________.
b.
________________________________________________________________________.
Proteinaceous
a. ________________________________________________________________________.
b.
________________________________________________________________________. 6.
Identify the following as to phylum and/or class: a. cercaria b.
planula
c. sporozoite d.
cysticercus e.
amphiblastula f.
miracidium 7.
Fill in all blanks with X or O to indicate whether or not the items
listed in the column at the left occur in the varius
groups.
|