As Part of a Surveying Expedition, You Find a Hummingbird

As part of a surveying expedition, you find a hummingbird with a loss-of-function mutation that prevents it from entering daily torpor.With all other variables the same, you would expect this hummingbird to _______ compared with a hummingbird that does not have this mutation.

A) use less energy per day
B) starve to death because of using much more energy per day
C) be larger in size
D) have a longer period of winter hibernation
E) have a higher basal metabolic rate