What will happen if all producers are removed from ecosystem? 

Explanation

Producers are the autotrophs which occupy the first tropic level in an ecosystem . The energy produced by them is utilized by the herbivores and them is utilized by the herbivors and then by carnivores , there by maintaining the stabilty of ecosystem .. If producers are removed from an ecosustem . it would lead to starvation and death of herbivores and subsequently the carnivores , thus terminating the entire food web .