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Course Information
Description: Characteristics, life cycles, adaptations, and evolution of invertebrate animals. Prerequisites: Bio 181 and Bio 182 with a C or better.
Current Sections:
Lecture: MWF 12:20-1:10, CLCC 113
Lab: F 2:00-4:45, CLCC 353
Texts: J.A. Pechenik 2015. Biology of the Invertebrates, 7th ed. McGraw-Hill.
U.M. Savalli 2025. Invertebrate Zoology A Laboratory Manual. (LAD Custom; available at ASU Bookstore)
The Instructor: Udo M. Savalli
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Announcements & Upcoming
- May 2 — Lab Practical 2
- May 5 — Final Exam: 12:10 pm
Lecture Schedule (Spring 2025)
Week of:
| Topic:
| Chapter:
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Jan 13-17 — | Introduction; Phylogenetic reconstruction | 1, 2
| Jan 20-24 — | No Class Jan 20 Animal body plans, repro & development | 2, 24
| Jan 27-31 — | Support, movement & feeding | 3, 5
| Feb 3-7 — | Animal origins |
| Feb 10-14 — | Exam 1, Feb 10 Sponges & placozoans | 4
| Feb 17-21 — | Cnidarians, Ctenophores | 6-7
| Feb 24-28 — | Flatworms & Mesozoans | 8, 9, 22
| Mar 3-7 — | Rotifers, Lophophorates, etc. | 10, 18, 19
| Mar 10-14 — | Spring Break
| Mar 17-21 — | Exam 2, Mar 17 Annelids & Ribbon Worms | 11, 13
| Mar 24-28 — | Molluscs | 12
| Mar 31-Apr 4 — | Nematodes & related pyla | 16-17
| Apr 7-11 — | Arthropods: Evolutionary Origins | 14-15
| Apr 14-18 — | Exam 3, Apr 14
Arthropods, continued | 14
| Apr 21-25 — | Echinoderms | 20
| Apr 28-May 2 — | Hemichordates & Chordates | 21, 23
| May 5 — | Final Exam: 12:10 - 2:00 |
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Lab Schedule (Spring 2025)
Date:
| Topic:
| Lab Manual Exercise
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Jan 17 | - Intro to microscopy & anatomy | 1-2, Appndx 1-2
| 24 | - Sponges; Animal Origins | 4-6
| 31 | - Cnidarians | 7
| Feb 7 | - Flatworms, gastrotrichs | 8
| 14 | - Lophophorates & minor phyla | 9-11
| 21 | - Annelids | 12
| 28 | - Molluscs | 13
| Mar 7 | - Lab Practical Exam 1 |
| 14 | - Spring Break |
| 21 | - Gastropod Adaptations & Allometry | 14
| 28 | - Arthropods 1 | 15, 17-18, 20
| Apr 4 | - Field Exercise: Arthropod Sampling | 21
| 11 | - Arthropods 2 | 15-16, 19
| 18 | - Nematodes, Hemichordates & Chordates | 22, 24
| 25 | - Echinoderms | 23
| May 2 | - Lab Practical Exam 2 |
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