Identify the structure at the tip of the arrow.    

Identify the PHYLUM represented here.  (Hint: This is a cross-section of a planarian at 400x.)  

Which statement best describes how a gold crown will appear on an image? 

.Identify the structure (embryonic stage) at the tip of the pointer.    

Write the word FREE in the blank below.

Identify the structures at the tip of the arrows.  (Hint: this is a Hydra tentacle at 400x.)  

Which type of holoblastic cleavage is shown here?  

Foreshortening is caused by 

In a 7-series vertical bitewing set, which contact is the central ray (CR) aimed at in a right canine image?

Which describes primary radiation?