Lab Topic 18 Animal Diversity I

BSC 2011L

Handout

Lab Topic 18 – Animal Diversity I

Exercise 18.1 – Phylum Porifera

- learn basic sponge structure using models and specimens provided

- observe fixed slide of long section of Scypha

Exercise 18.2 – Phylum Cnidaria

- observe live specimen of Hydra

- learn basic internal and external anatomy of Hydra; model and fixed slides (w.m. and c.s.)

Exercise 18.3 – Phylum Platyhelminthes

- observe live specimen of Dugesia (follow procedure in book)

- learn basic internal and external anatomy of Dugesia; model and fixed slide (c.s)

Exercise 18.4 – Phylum Mollusca

- learn internal and external anatomy of the clam; dissection, models

- observe other types of molluscs (snails, octopus, squid)

Exercise 18.5 A and B – Phylum Annelida

- learn external anatomy of the clam worm, Nereis; preserved specimens; no dissection

- learn internal and external anatomy of the earthworm, Lumbricus; model, dissection, and fixed slide

(c.s. “earthworm intestinal region”)

Complete all questions asked within the procedures, results, and discussion sections that are applicable to what you are completing in lab. Additionally, complete the Reviewing Your Knowledge and Applying Your Knowledge questions on pp. 488 and 489 (p. 482).