How many body openings does an earthworm have?  

Is this male or female? How can you tell?  

In the earthworm what is the purpose of the clitellum?  

To which phylum might you find a specimen with a radula?  

Give one example of where the tissue from this image can be found in the human body. 

On the starfish found below what is circled in red?  

What is the arrow that is labeled #1 pointing to?

Identify the phylum to which your professor, found below belongs.

What are the small round openings on the surface of these organisms? Hint: This is how water enters the organism  

Identify the phylum to which your professor, found below belongs.