Assertion: pest | /r/HasAspect | natural enemies
Facets:
Source sentences:
text: All pests, from weeds and insects to diseases, have natural enemies.
text: Plants have their own defences against these attacks but these may be overwhelmed, especially in habitats where the plants are already stressed, or where the pests have been accidentally introduced and may have no natural enemies.
text: Plants have their own defences against these attacks but these may be overwhelmed, especially in habitats where the plants are already stressed, or where the pests have been accidentally introduced and may have no natural enemies.