Question

Why are crop fields known as artificial ecosystems?

Answer 1

hiiii friend!!!
Crop fields are man-made and some biotic and abiotic components are manipulated by humans.
i think it may help u!!!!

Answer 2

$\large\mathfrak\red{Answer☞}$

Crops field are known as artificial ecosystems because they are manmade where certain biotic and abiotic components are manipulated.