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BIOL 2108KPrinciples of Biology II Molluska / Annelida (Covid)
NAME: ______________________________________
Phylum Mollusca
1. MOLLUSKS. Make sketches OR use a picture from online of the following specimens. You may use this worksheet or a PowerPoint/keynote slide show.
A. Class Gastropoda (snails, slugs, nudibranchs)
– Snail (15.1) (preserved)
– Sea Slug (15.1) (preserved)
– Shag-rug Aeolis (plastic block)
B. Class Bivalvia (clams, oysters, muscles, scallops)
– Clam (15.3) (bucket, preserved)
– Oyster (15.3) (preserved)
– Muscle (15.3) (preserved)
– Scallop (15.3) (preserved)
C. Class Cephalopoda (Squid, Octopuses)
– Squid (15.4 C) (preserved, plastic block)
– Octopus (15.4 D) (preserved, plastic block)
– Nautilus (shell)
– Cuttlefish (preserved)
D. Class Polyplacophora (chitons)
– Chiton (preserved, plastic block)
Phylum Annelida
1. ANNELIDS. Make sketches OR use a picture from online of the following specimens. You may use this worksheet or a PowerPoint/keynote slide show.
A. Class Polychaeta (sandworms, tubeworms)
– Nereis (sandworm) (16.1) (plastic block)
– Amphitrite (tubeworm) (preserved, plastic block)
B. Class Oligochaeta (earthworms)
– Earthworm (16.2) (bucket, preserved, plastic block)
C. Class Hirudinae (leeches)
– Leech (16.3) (preserved, plastic block)
2. Earthworm Dissection: Draw a dissected earthworm from online and label the following parts:
Be sure to include these 12 parts:
Mouth
esophagus
Crop
Gizzard
Seminal Vesicles
Seminal Receptacles
Hearts
Clitellum
Anus
Septa
Setae
Intestine
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