Birds, for example, can hardly survive in areas of crop monocultures, because all the bugs they eat have been killed by pesticides.
(Birds; can hardly survive; L:in areas of crop monocultures; because all the bugs they eat have been killed by pesticides) (all the bugs; eat; they) (all the bugs they eat; have been killed; by pesticides)
Birds all the bugs all the bugs they eat
can hardly survive eat have been killed
L:in areas of crop monocultures because all the bugs they eat have been killed by pesticides
they
by pesticides