Jejunum if what i thought of
The change in foot shape making the feet wider and longer than the hands and the curvature of the spine also adapted to it
Since the death rate is higher than the birth rate we can assume that it will be negative. 5-15 is -10 for their life. immigration is also lower than the emigration. 2-4 is -2. adding -2 and -10 will give us -12, hope this helps.
It could occur after a forest fire or flood.
The experimental protocol describes and determines materials, equipment, and procedures.