Sunrise, Wizard Islet, British Columbia
Spring 2008
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Dr. Brian K. Penney
Goulet 2320
603 641-7149
bpenney@anselm.edu
Sunrise, Wizard Islet, British Columbia |
Spring 2008
|
Dr. Brian K. Penney |
I) LECTURE STATUS
Students will have had an overview of the metazoan characters, but will hear about higher invertebrates (molluscs upward) on Thursday.
You can find the lecture notes on the phyla covered in this lecture here Molluscs and Annelids, Arthropods, Echinoderms and basal chordates
II) CONCEPTS (bold words they must know for quiz)
The major goal is for them to explore and see the metazoan characters we have talked about, as well as learn about crayfish anatomy in more detail.
1) Body plan characters:
a) most of these are the same for all these phyla: Tissue layers and fates; Coelom location and role; Completeness of digestive system
b) characters that vary are: Segmentation; Symmetry; Blastopore fate; Protostome/Deuterostome membership
2) Phyla and major characters; relate these to how each organism makes a living.
3) For each phylum, students must also examine/sketch organisms from the side table with diversity specimens
III) LAB SCHEDULE
Introduction (10 min)
1. MOLLUSCA (45 min): Students do clam dissection
2. ARTHROPODA (20 min); NO TERMITE GUT FAUNA
3. ECHINODERMATA (10 min)
4. CHORDATA (20 min): NO FROG DISSECTION
QUIZ (10 min)
Students learn how molluscs are constructed, see diversity and practice dissection skills.
Characters: coelom, body regions (Head, Foot, Visceral mass, Mantle and shell, Gill, Radula). Groups: gastropods, bivalves, cephalopods.
Required Equipment: Mollusca| Type | # | Per | Item | Section | Notes |
|---|---|---|---|---|---|
| Sp | 1 | Pair | preserved clams for dissection | Mollusca | |
| E | 1 | Class | clam knife | Mollusca | |
| E | 1 | Pair | dissecting trays | Mollusca | |
| Sp | 1 | Class | preserved squid | Mollusca | |
| Sp | 1 | Class | preserved snail | Mollusca |
Students learn how arthropods are constructed, see diversity
Characters: segmentation and modification; subphyla (crustaceans, insects, arachnids); metamorphosis in insects
Required Equipment: Insects, Arachnids, Crustaceans, etc. (Arthropoda)| Type | # | Per | Item | Section | Notes |
|---|---|---|---|---|---|
| Sp | 1 | Class | preserved crayfish for examination | Insects, Arachnids, Crustaceans, etc. (Arthropoda) | 1 dissected per class as demo? |
| Sp | 1 | Class | preserved spiders | Insects, Arachnids, Crustaceans, etc. (Arthropoda) | |
| Sp | 1 | Class | preserved horseshoe crab | Insects, Arachnids, Crustaceans, etc. (Arthropoda) | |
| Sp | 1 | Class | preserved insect/life cycle | Insects, Arachnids, Crustaceans, etc. (Arthropoda) | |
| Sp | 1 | Class | preserved millipede | Insects, Arachnids, Crustaceans, etc. (Arthropoda) |
Students learn how echinoderms are constructed, see diversity
Characters: pentaradial symmetry, water vascular system, coelom modification
Required Equipment: Sea stars and urchins, etc. (Echinodermata)| Type | # | Per | Item | Section | Notes |
|---|---|---|---|---|---|
| Sp | 1 | Class | preserved starfish | Sea stars and urchins, etc. (Echinodermata) | 1 dissected as demo? |
| Sp | 1 | Class | preserved sea urchin | Sea stars and urchins, etc. (Echinodermata) | |
| Sp | 1 | Class | preserved sea cucumber | Sea stars and urchins, etc. (Echinodermata) |
Students learn how chordates are constructed, see diversity
Characters: segmentation, pharynx, dorsal hollow nerve cord, notochord
Cephalochordata (Amphioxus) cross section diagram is to the right. 
| Type | # | Per | Item | Section | Notes |
|---|---|---|---|---|---|
| Sp | 1 | Class | preserved tunicates | Vertebrates and other Chordata | |
| Sp | 1 | Class | preserved Amphioxus | Vertebrates and other Chordata | |
| S | 1 | Pair | Amphioxus XS | Vertebrates and other Chordata | 241 |
| E | 1 | Class | model of nerve cord | Vertebrates and other Chordata | |
| E | 1 | Pair | Compound microscopes | Vertebrates and other Chordata |
A printable syllabus, with course dates, required materials, grading and other policies can be found here.
A one page printable version of the schedule can be found here.
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