Caterpillars don't move the seeds around in a beneficial way. Maybe it can tell the difference? I'm kind of curious what a tomato plant does with the information that it's being munched on though.
> the authors measured the biochemical responses, such as defensive chemicals like hydrogen peroxide, across other parts of the plant. This showed that these defenses were triggered even in parts of the plant that were far away from the damage caused by the caterpillars.
Presumably hydrogen peroxide does not taste good to caterpillars.