Monday, March 14, 2011

animalia review

go to the study sheets here and do the questions for arthropoda and echinodermata.

Friday, March 4, 2011

Molluska lab and notes

Download molluska notes here.

In our squid dissection

Each group gets one squid and one paper plate.  You will also get a diagram of a male squid and another diagram of a female.

  1. Make a clean and organized dissection, labeling the parts
  2. Correctly identify your squid as male or female.  Make notes on the correct diagram, writing observations of the parts.  Put your name and the names of your group members on this diagram.
  3. correctly identify 3 internal parts per group member
  4. Remove the "pen".  what part of the mollusk is this? 
  5. remove the beak.  
  6. rub the skin to stimulate the chromatopores and observe the squid change colour

Wednesday, March 2, 2011

nematoda and platyhelminthes presentations and lab

Class notes here.

Lab activity:

Draw two preserved specimens:  platyhelminthes and nematoda

draw the following prepared slides. identify the phylum, the species (common name is fine for this), and brief notes on its life history: