Answer: Cell, tissues, organ, organ system, organism
Explanation:
Living beings shows several changes occurring in the environment by their sensibility.
Cell, tissues, organ, organ system and organism is the correct order of sensing the changes occurring in the external environment of the organism such as temperature change. The cell is the smallest unit of the organism body. The group of cells called as tissue. The group of tissues forms the specialized structure that is called as organ. The organ performs functions in the body of the organism.
The cells exhibit receptors which transfer the information to the tissues, the tissues form the organ system, the organ and organ system generates the mechanism of homeostasis to control the body regulation according to the changing external temperature. Thus the organism survive in the changing temperature.
