Question

A secondary consumer cannot survive, if there are no plants on the earth because ​

Answer 1

thats easy... like really easy.... like really really easy.

oh well, here it is ✍(◔◡◔)

if there was no plant, all the herbivores would die of hunger,

no herbivores, means no food for carnivores, (AKA) secondary consumers, which would eventually mean they would eat each other causing a mass extinction in almost all secondary consumers