Creating a monoculture can be a downside to gmos because they can’t grow in salty soils a disease can destroy everything planting one crop saves time bees avoid monoculture fields

A disease can destroy everything.

Explanation:

A monoculture can be defined as the single culture that can be grown in certain area for a particular amount of time.

If the GMOs are restricted in a particular area and if it gets affected by some disease, then all the plants would be affected at the same time and would die all together.

So, monoculture should not be used in case of GMOs as a single disease can destroy all the plants at the same time.

the fossil record provides evidence of a common ancestor to many species.