I think the answer is evolution.
Answer:
if you f her she will let you get straight A+
Explanation:
ik becuase ive done it
Hummingbirds can fly as fast as 60 miles per hour. One reason why its a scientific question is because of their speed. Their speed is very different compared to many other animals. I hope this helps :)
The correct answer is: 'Reptiles are ectotherms and cannot raise their body temperature above that of the environment'. Birds sit on their eggs to incubate the eggs as the body temperature of the adult bird warms up the eggs. Birds are <span>endothermic homeotherms, and maintain a constant body temperature. In contrast </span>reptiles <span>are ectothermic poikilotherms, and their body temperature depends on the temperature of the outside environment.</span>