Squid Dissection Lab Companion

You will be required to identify the following items on a real squid specimen:

• pen

• ctenidia (gills)

• fin

• beak

• arm

• siphon

• eye

• mantle

• tentacle

You will be required to answer the following questions about the squid:

• Identify and describe the circulatory system of the squid.

• Describe how the squid obtains and eats its food.

• How are the eyes of the squid similar to human eyes?

• You will be required to know the functions of these items:

  • foot

  • pen

  • siphon

  • ink sac

  • mantle

  • chromatophores

  • iridophores

You will be required to know the phylogeny of the squid:

You will also be required to identify the items on one or more of these diagrams: