(!!!!!50 POINTS!!PLEASE HELP!! I WILL GIVE BRAINLIEST)
One advantage to being a ectotherm is that an ectotherm

A. Can generate its own body heat.
B. Needs less energy to maintain homeostasis.
C. Can survive easily in colder climates.
D. Can reduce its body heat by sweating.

2. How do endocrine glands help the body maintain homeostasis?

A. They transport oxygen, nutrients, carbon dioxide, and waste.
B. They control body activities by releasing hormones into the blood.
C. They determine whether an animal is a ectotherm or an endotherm.
D. They distinguish between "self" and "other"