Why is biological diversity ensured by the stability of the biocenosis?

The more species, the more food chains can exist. When a species falls out of the chain, this place is occupied by another species, similar in ecological role.

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.