Most Land-Dwelling Invertebrates and All of the Amphibians

Multiple Choice

Most land-dwelling invertebrates and all of the amphibians

A) are ectothermic organisms with variable body temperatures.
B) alter their metabolic rates to maintain a constant body temperature of 37°C.
C) have a net loss of heat across a moist body surface,even in direct sun.
D) become more active when environmental temperatures drop below 20°C.