Q-1) How might the reflective tissue aid the squid in its variedhabitats?

Q-2) Describe how the gills change in thewater. When you first placed them in water they seemed to have noform. Do they have a form now? Describe them. Explain how this formwould be advantageous for gas exchange. (Hint: Consider the conceptof surface area:”Now that the gills are in the water, do theyappear to be bigger than you expected?)

Q-3) What is the benefit of having two heartsnear the gills? Why not just send the blood from the gills straightto the various tissues? Why return it to another heart?

Q-4) What feature in humans would be mostsimilar to the pen? What function do you think the penserves?