Know the 4 Characteristics of Mollusks

What % of dissolved oxygen do mollusks take out of the water?

Differences between open & closed circulatory systems and which is most effecient and why.

Nephridia and Excretion and how they go together.

Know the 3 classes of mollusks as discussed in class and how they are different from each other.
 
Class Bivalvia-   1) Why we use this name
                            2) Why they are a mollusks since they have no distinct head.
                            3) What are the adductor muscles, ganglia, siphons, and sessile
                            4) Know the 3 layers of their valves and function.
                            5) How are pearls produced and Nacre ( Naker)
 
Class Gastropoda- 1) Torsion and its function or purpose
                                2) 3 Ways gastropods respirate
                                3) Why moisture is important to respiration.
                                4) Various feeding habits of gastropods & examples.
                                5) Where the gastropod name comes from or why.
 
Class Cephalopoda 1) Examples of species
                                2) Unique defense mechanism
                                3) Jet propulsion, how it works
                                4) Nervous system advancement

Know the 4 characteristics of the Phylum Annelida

Know the 3 classes of Annelids
Class Polychaetea- Marine segmented worm
            1 Pair of parapodia per segment

Class Oligochaete- Where the annelida name comes from
    1)  Earthworms are representative examples.
    2) 3 things earthworms do for us.
    3) Gizzard and difference in aquatic annelids
    4) Hermaphroditic

Class Hirudinea- The leeches
    1) Is segmentation present.
    2) Medical uses today

Other Terms - Bilateral Symmetry, Coelom, Visceral mass, Mantle cavity, Trochophore, Veliger, Ventral Surface, Cutaneous Respiration, Herbivore, Setae, Parapodia, Castings