Fish Scales that do not Overlap
Scale Type of Fish
Common Bony Fish Scale
Observe Scale Development
Site of Gas Exchange
Illustrates Scale Development
Investigate Characteristics of Reptile Blood
Blood is Composed of Only Plasma and White Blood Cells
Illustrates Avian Lung Structure
Intestinal Parasite
Parasitic Protozoan
Non-pathogenic Amoeba.
Non-parasitic Gut Microflora
Infectious human parasite.
