Sentences with phrase «ally against these pests»
But plants have a natural ally against these pests — a parasitic wasp that injects her egg into a host worm, which the wasp larva slowly feeds on.
http://www.sciencemag.org/ Not exact matches
The NPR clearly states that a terrorist nuclear attack against the US or its allies and partners would qualify as an «extreme circumstance» and any state that supports or enables terrorist efforts will experience the «ultimate form of retaliation» (p 68).