Typical questions that you should be able to answer about the organism on this page (both images represent the same organism):

1) Which of the major animal phyla reviewed in lab does this specimen belong to ?

2) What is its habitat?

3) What special structures does it have that are adapted to its environment and lifestyle?

4) Is this a male, female or a hemaphrodite?

5) In the top image, which end is the anterior end?

6) In the top image, can you identify the following structures: pharynx, auricle, gastrovascular cavity/region, intestinal region?

7) In the lower image, can you identify the following structures: epidermis, pharynx, intestinal cavity?

8) Is the lower image an anterior, middle or posterior cross section ? How do you know?

9) Is this a coelomate, pseudocoelomate or an acoelomate?

Dissection (Stereo) Microscopy Image

________________________________________ 1cm

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Compound Microscopy Image

_____________ 1mm