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Animal Lab Learning Objectives

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· State the phyla of the organisms discussed in the lab activities

· Use the characteristics of symmetry, coelom, embryo tissue layers, and patterns of development to differentiate between the different invertebrate groups

Part I. Invertebrate I Procedure

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Hydra Video

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Lecture Slides

Background
https://openstax.org/details/books/concepts-biology

1. Which Phylum do sponges belong to?

2. What type of symmetry is displayed in the sponge specimens?

3. Which Phylum do hydra belong to?

4. How many germ layers does the hydra contain?

5. What type of symmetry is seen in the hydra?

6. Which Phylum do roundworms belong to?

7. What type of symmetry is seen in the roundworm?

8. What type of symmetry is displayed in the arthropods?

Part II. Invertebrates II Procedure

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Planaria Video

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Lecture Slides

Background
https://openstax.org/details/books/concepts-biology

1. Which Phylum do planaria belong to?

2. What type of symmetry does the planaria display?

3. Which Phylum do earthworm belong to?

4. What type of symmetry does the earthworm display?

5. Does the earthworm exhibit cephalization?

6. Does the earthworm exhibit segmentation?

Part III. Deuterostomes Procedure

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Lecture Slides

Background
https://openstax.org/details/books/concepts-biology

1. Which Phylum do starfish belong to?

2. What unique system does the starfish use for movement?

3. What are four common characteristics shared by all chordates?