Fishes, most of the invertebrates and amphibians are examples of ________ animals?
A. Endotherms
B. Ectotherms
C. Heterotherms
D. Homeotherms
Fishes, most of the invertebrates and amphibians are examples of ________ animals?
A. Endotherms
B. Ectotherms
C. Heterotherms
D. Homeotherms