Definitions of living characteristics

Reproduction

Organisms can produce new individuals(offspring). This process is called reproduction.

Nutrition

Organisms obtain food for energy, growth and maintaining health. This process is called nutrition.

Respiration

Organisms can break down food to release stored energy by a process called respiration.

Irritability(Sensitivity)

Organisms can detect changes in their environment(stimuli) and make response. This ability is called irritability(sensitivity).

Excretion

Organisms remove waste products produced from chemical reactions in their bodies(metabolic wastes). The process is called excretion.

Growth

Growth is the process by which organism increase in size and complexity.

Movement

Organisms move freely from place to place or show a limited degree of movement.. This ability is called movement.