The color of the flowers of Chinese primrose varies from red to white in the temperature range from 20 to 35 ° C. This is an example of variability.

Modification variability is a change in the characteristics of organisms due to the rate of reaction and arising under the influence of environmental factors.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.