Many types of ectothermic animals can be seen lying out in the sun on a warm, sunny day. What is the primary mechanism by which the animal warms itself during this activity?
A) conduction
B) radiation
C) evaporation
D) convection

Question

Quizplus · Accepted Answer

Ectothermic animals warm themselves primarily through radiation, which involves absorbing heat from the sun's rays. Conduction and convection refer to heat transfer through direct contact with a warm surface or a moving fluid, respectively, which may play a role in warming the animal but are not the primary mechanism. Evaporation is a cooling mechanism rather than a warming mechanism.

Many Types of Ectothermic Animals Can Be Seen Lying Out