HesionePicta-AA, 18K
(the polychaete Hesione picta)

Zool 250
Laboratory Schedule
& Study Links
(2017)

(Sample lab exams; Diversity Quiz;
Lab Terms worksheet (pdf))
LemonSlug-AA, 28K
(lemon slug from Madagascar)


LABDATETOPICFOR REVIEWANIMATIONS*
Week 1Jan. 16 Overview of invertebrate diversity    
Week 2Jan. 23 Microscopy, Protozoa, Porifera study images, key**
movies
- Microscope parts & functions
- Choanoflagellate form & feeding
- Sponge form & feeding
Week 3Jan. 30 Cnidaria & Ctenophora
DISSECTION
study images, key**
movies
- Hydrozoan life cycle
- Scyphozoan life cycle
Week 4Feb. 6 Platyhelminthes
QUIZ
study images, key**
movies
- Excretory systems
Week 5Feb. 13 Aschelminthes (Nematoda & relatives)
MARKED DISSECTION
study images, key**
movies
 
 Feb. 20
Reading Week
   
Week 6Feb. 27 Mollusca I- Gastropoda, Bivalvia
DISSECTION
(Garstang's poem: How the gastropod got it's twist)
study images, key**
movies
- Filibranch form & feeding
- Eulamellibranch form & feeding
Week 7Mar. 6 Mollusca II- Cephalopoda, molluscan diversity
DISSECTION
(download shell coiling program for Macintosh)
study images, key**
movies
- Squid form & locomotion
Week 8Mar. 13 Annelida & relatives (Echiura, Pogonophora, Sipuncula)
QUIZ, DISSECTION
(Rhyming key to polychaete families)
study images, key** - Polychaete form & locomotion
- Earthworm form & locomotion
Week 9Mar. 20 Arthropoda: Crustacea
MARKED DISSECTION
study images, key** - Decapod claw form & function
- Virtual Copepod (UCSD)
Week 10Mar. 27 Arthropod diversity study images, key**  
Week 11Apr. 3 Deuterostomia: Echinoderms,
Lophophorates, Hemichordates
MARKED DISSECTION
Annotated Bibliographies due at start of lab.
study images, key**
movies
- Sea urchin form & feeding
- Virtual Urchin (Stanford Univ.)
- Sea squirt form & feeding
Week 12Apr. 10 LAB FINAL EXAM sample lab exams
Diversity Quiz
 
* Most of these animations were written and directed by Rich Palmer, and programmed by Heather Kroening. Heather wrote, directed and programmed the hydrozoan & scyphozoan life cycles. To view the animations properly you must have the most recent version of the Flash browser plugin installed (download plugin). For other teaching animations, visit the Biological Sciences multimedia page. ** To use the key to the study images most effectively, open a second window in your browser and to view the key and the study image at the same time (assuming your monitor is large enough!).


WWW Lab Study Materials from Other Courses


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(revised April 7, 2017)