Well there are many but the surface of the earth is the material violin one outer core (if that makes sense
Amniotic Egg - This type of egg does not require water. Organisms could lay their eggs on land they would not dehydrate.
Lungs - got to be able to extract oxygen from their environment for cellular respiration.<span />
Answer:
Cellular respiration takes place in mitochondria of a cell, hence it is also known as power house of cell , because it gives us energy in the form of ATP molecule .
When the telomere becomes too short, the chromosome reaches a 'critical length' and can no longer be replicated.
