You didn't really provide the required table. But as a general hint, you should look at the differences between the two groups and then you can see what were the differences in amount of weight gained, amount of body fat, as well as the composition of the microbial community.
Hello there ^ _ ^
I believe the answer is : A - Evolution
Good luck!
I guess I correct. Can anyone just tell me if I am correct?
Swim Bladder is the answer for sure