The Gibraltar rock is a limestone, therefore it is a sedimentary rock. Sedimentary rocks are made by the dethronement and squeezing of small fragments.dimentary rock. It has sediments.
Mitochondrion
Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions.
This results in Evolution. Organisms will adapt to their surroundings in the form of evolution.