Basking in the sun swimming increasing or decreasing activity level these are all activities a cold-blooded reptile may do to maintain a) homeostasis. b) body weight. c) peer dominance. d) blood sugar levels.

Correct A). Homeostasis

Homeostasis is the tendency to maintain a constant internal environment. The body maintains homeostasis for many factors in addition to temperature.

All mammals and birds are same, i.e they maintain homeostasis as they are warm-blooded animals. However, reptiles or the cold-blooded animals maintain their internal body temperature by basking in the sun.