You Observe a Butterfly Sitting on a Sunny Leaf and Realize

Multiple Choice

You observe a butterfly sitting on a sunny leaf and realize that it is sunning itself.You conclude that butterflies

A) are endotherms.
B) are ectotherms.
C) use nonshivering thermogenesis.
D) are ectotherms and use nonshivering thermogenesis.
E) experience acclimatization and not homeostasis.