Dave McShaffrey Page 1 of 10 09/10/2002
K:\CLASSES\Invert\Notes\03bodystructure02.doc Last printed 09/10/2002 11:19 AM
Invertebrate Zoology
Lecture Notes - Animal Body Structure
Notes: This is an outline of my class notes - details and visuals will be given in class!
Really. It won't be this boring!
Read: Chapter 9 in Hickman, Roberts & Larson.
I. Grades of metazoan organization
metazoan - multicellular animals
A. protoplasmic
B. cellular
C. cell-tissue
D. tissue-organ
E. organ-system
II. Scaling
A. body surface area increases more slowly than body volume
1. surface area needed for exchange
2. volume sets levels for work done, metabolites needed
3. smaller organisms fit more niches
4. larger organisms more efficient
5. larger organisms less vulnerable to predation
Learn tissue types on own (figures 9.4-9.7)
