Animals that produce metabolic heat at low level and also absorb heat from the surroundings are called__________?
A. Endotherms
B. Ectotherms
C. Heterotherms
D. Homeotherms
Animals that produce metabolic heat at low level and also absorb heat from the surroundings are called__________?
A. Endotherms
B. Ectotherms
C. Heterotherms
D. Homeotherms