Since this is not my area of expertise, I searched Google under the key words "heart rate life span" to get this:
http://www.google.com/search?client=safari&rls=en&q=heart+rate+life+span&ie=UTF-8&oe=UTF-8
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.
The Ruby Throated Hummingbird has a resting heart rate of 250 beats per minute. When it is threatened or chased, it's heart rate can reach 1200 beats per minute. Predict its lifespan and justify your explanation.
1 answer