Which of the following is an example of a primary consumer gaining energy? a. a caterpillar crawling up a leaf b. a robin swallowing a worm c. a bear eating a salmon d. a squirrel eating a nut

Which of these would most likely be a stimulus that would cause the body to initiate feedback mechanisms a.) normal body temperature in an arctic environment b.) normal boy temperature in a tropical environment c.)light physical activity d.)low blood sugar