Which number is pointing to the gills? crayfish dissection 2.png

Click on the operculum.

Which letter is pointing to the liver? perch dissection 2.jpg

This is a cross section of a(n) _____________________________________. female ascaris cross section.jpg

The development of bilateral symmetry in invertebrates has particularly influenced the evolution of a more complex:

One important function of carbohydrates is that they:

Pick any invertebrate phylum of animals that we covered. To get full credit, you must provide the following: Scientific name of the phylum (8) If you can’t remember, then use common name for half credit. Explanation of its general body plan, describing at least TWO key structures in its anatomy. What kind of symmetry pattern does it have in its body plan? (24) Description of how it feeds and reproduces (8) Does it have a coelom? (4) Written description of how this phylum represents a key advance over the phyla that came before it. In other words, what can this phylum do that others before it could not do? (16) You may type your answer in the text box OR, you may hand sketch this answer, take a photo, and email it to jlarson@tmcc.edu before the closing time of this exam. If you hand write your answer, enter EMAILED in the text box below.  

All molluscs:

The stem-like structure of a macroalgae/ seaweed such as kelp is called the:

Diatoms are mostly: