Answer:Adhesion
Explanation:Is the attraction of water molecules to other molecules of different substances. Water molecules are said to be polar which means that the molecule has a slightly negative charge and a slightly positive charge. This property of water allows it to interact with other polar or charges substances making it attract to other molecules.
It means that only those who are able to adapt with all conditions they are placed in will be able to live.
Answer:
leukocyte
Explanation:
leukocyte is the organelle missing in the red blood cell.
I would say oxygen because respiration is breathing mechanically.