<span>The first part of the question is: The male's ability to shake its tail is the mechanistic cause of this behaviour. For the second part of the question, the mate choice is the adaptive function of this behaviour.</span>
It's all dependent on the amount of oxygen your lungs take in and deliver to the heart
The dependent variable alters
I think it would be either A or B but I am not sure.... If anything I think I would go with A.
Hope this helps
