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.     

After otoscopy is clear, and if you are given a choice to choose just one test to screen for middle ear and cochlear function in a patient, which test would you choose and why? (explain in 25-50 words). (3 pts)Describe the potential limitations/hazards of choosing just that one screening test to comprehensively evaluate middle ear and cochlear function. (explain in 25-50 words) (2pts).    (If you have attempted this question before and got full points and no corrective feedback, you can skip this question, you will get full points.)  

What is the name of the tissue shown?    

What is the forecast for year 4 with the Trend and Seasonal Method for the first quarter?  Please round your answer to the nearest whole number. 

Why do you prefer that forecast?

What is the forecast for year 4 with the Trend and Seasonal Method for the fourth quarter?  Please round your answer to the nearest whole number.