BIO 122: Zoology

REVIEW FOR EXAM 2

 

ANIMAL-LIKE PROTISTANS (PROTOZOANS)

Describe the general characteristics of protozoans relative to size, locomotion, and nutrition.

Contrast the processes of binary fission, multiple fission, gametic meiosis and conjugation.

Characterize the Phylum Euglenozoa.

     Distinguish between the euglenoids and kinetoplastans.

Characterize the Phylum Retortamonada.

     How might we be infected by Giardia?

Characterize organisms of the Phylum Ciliophora.

     Distinguish between the macronucleus and micronucleus.

     What types of reproduction are seen in this group?

Characterize the Phylum Dinoflagellata.

     What is a red tide?  How is it of concern here in South Carolina?

     Describe the problems associated with Pfiesteria piscicida.

Characterize the Phylum Apicomplexa.

     Describe (diagram) the life cycle of species in the genus Plasmodium. 
What disease do these organisms cause?

Describe the Amoeboids. 

     Contrast the various types of shells (test) present.

     What type of nutrition do amoeboids have?

 

PHYLUM PORIFERA

Describe the morphological and anatomical features which make this group unique.

Compare and contrast the cell types: pinacocyctes, choanocytes, & archaeocytes.

Describe how sponges obtain food (more than 2 words).

Contrast the basic sponge forms: asconoid, syconoid and leuconoid.

Describe the skeletal structure on sponges.

Describe sexual reproduction of sponges.

Name and describe the three well known classes of sponges.

 

PHYLA CNIDARIA & CTENOPHORA

What features characterize the radiate phyla?

Characterize the two basic morphologies of cnidarians: polyp & medusa.

Describe the function of tentacles (including cnidocytes & nematocysts).

Describe the basic anatomy of a cnidarian relative to tissue (cell) layers.

Characterize the nervous & muscular systems of cnidarians.

Name and distinguish between the three largest classes of cnidarians.

Characterize members of Phylum Ctenophora.

     How is their symmetry biradial?

What is bioluminescence?

 

THE ACEOLOMATE PHYLA

What basic body features do the aceolomates have in common?

Contrast/distinguish the following phyla of acoelomates:
      Acanthocephala, Acoelomorpha, Gnathostomulida, Platyhelminthes, Rotifera

Describe the gastrovascular cavity of flatworms relative to structure and function.

Name and distinguish between the four classes of Phylum Platyhelminthes.

Describe the movement of turbellarians.

Describe the structure & function of turbellarian protonephridia.

Where would one typically find an adult fluke (species & anatomically)?

Characterize adaptations of flukes and other parasites.

Describe the reproductive system of flukes.

Describe the life cycle of the typical fluke.

Where is schistosomiasis a problem?

Describe the life cycle of Schistosoma.
      What is unusual in the Schistosoma life cycle, relative to a typical fluke?

What is an opisthaptor?

Where would you find a monogenetic fluke?

Describe the morphology and anatomy of tapeworms.

     Describe the anatomy of the scolex; proglottid.

Describe the typical life cycle of a tapeworm.
How can YOU avoid getting tapeworms?