Udo Savalli's BIO 385 Page

Udo Savalli	Home Page
BIO 385 — Comparative Invertebrate Zoology Updated 8 May 2025

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: BIO 385 in not currently offered
BIO 385 will most likely be offered Spring 2027

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

Announcements & Upcoming

Lecture Schedule
(Spring 2025)

Week of:	Topic:	Chapter:
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

Lab Schedule
(Spring 2025)

Date:	Topic:	Lab Manual Exercise
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