I think it is D because your responding to the cold from stimuli and by creating heat to keep your body the average temperature it is homeostasis.
The upward urban growth is always have negative connotation. upward urban growth degrades the environment because they will create community in areas where animals lives. by disrupting the natural habitat of the of the animal, will lead to decrease in their number.
Out of the choices given, one adaptation that is unique to marine mammals is they can slow their own heartbeat down.
Answer:
I think that the correct answer for your question is <em><u>D</u></em>