Matching Pairs 2.3 Characteristics of living beingsOnline version Relate the 8 characteristics of living beings by Jorge Arizpe 1 To maintain your internal balance 2 Increase in the number or size of cells. 3 Modification of structures or behaviors to adapt 4 Mechanical displacement of some or all structures. It can be internal or external. 5 Formed by at least one cell 6 The perpetuation of a species 7 Response to stimuli 8 Use and exchange of matter and energy