1) Think of the mouse and the elephant example above and write a short paragraph (three-five sentences)
and explain why, in general, smaller species have a higher basal metabolic rate (BMR) than larger ones. 

2) Based on the skulls in Figure 4, what can you say about these animals’ 1) diet and 2) sensory capabilities (proportions and directionality of eyes, nose, etc.)? Is there any other characteristic you can mention?