action by an organism (or part of) causing a change of position or place
Respiration
chemical reactions that break down nutrient molecules in living cells to release energy
Sensitivity
ability to detect/sense changes in the environment (stimuli) and to make responses
Growth
permanent increase in size and dry mass by an increase in cell number or cell size or both
Reproduction
processes that make more of the same kind of organism
Excretion
removal from organisms of:
toxic materials
waste products of metabolism (chemical reactions in cells during respiration)
substances in excess of requirements
Nutrition
taking in of nutrients which are organic substances and mineral ions, containing raw materials or energy for growth and tissue repairs and absorbing and assimilating them