What is the name of the scale type below?  

Which brain region is destroyed in Parkinson’s disease?

Below is the image of the dogfish shark. What is the structure indicated by the circle and what does that structure indicate?    

What is the name of this organism?    

What is the name of the specimen below?    

What structure is indicated by the circle?

Look at the image of the crayfish on the left (A). Is this a male or female?    

What term correctly describes the entire surface of this organism?    

Match the terms to the image below.     

Match the structures to the image below.