The basis of the structure and vital activity of which organism are symbiotic relationships?

Lichens are a kind of group of living organisms, the body (thallus) of which is formed by two organisms – a fungus and algae, or cyanobacteria, which are in symbiosis.

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.