Try to prove that biological reproduction of species is the main sustainable development of the ecosystem.

Perhaps sharp or not very sharp changes in something, if the ecosystem did not have diversity, then populations of one species could die out because they were not adapted, and if there is diversity, then there is a chance that this species has advantages over data change and there is a chance to survive

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.