Responses to Environmental Changes -2 2.Physiological responses involve a change in the internal state of an organism. Physiological responses take longer than behavioral responses. ·Example:Human sweat(出汗)in response to hot temperatures.Evaporation of perspiration cools the body -warm-blooded animals(恒温动物)maintain a constant body temperature. Fever(发烧)for infectionResponses to Environmental Changes Responses to Environmental Changes – 2 2. Physiological responses involve a change in the internal state of an organism. • Physiological responses take longer than behavioral responses. • Example: Human sweat （出汗） in response to hot temperatures. Evaporation of perspiration cools the body. – warm-blooded animals （恒温动物）maintain a constant body temperature. – Fever (发烧） for infection