Characteristics of life

Science

Definition

The characteristics of life are the fundamental properties shared by all living organisms. These include cellular organization, metabolism, homeostasis, growth and development, reproduction, response to stimuli, and evolution over time.

Examples

  • A sunflower turning toward light demonstrates response to stimuli
  • Bacteria dividing by binary fission shows reproduction at the cellular level
  • Sweating when hot illustrates homeostasis—maintaining stable internal conditions

Related Terms

Cell organelles Feedback mechanisms Adaptation Evolution

Study This Concept

Practice characteristics of life with free review games in these units:

Biology Unit 1: Introduction to Biology