Assertion: piranha's predator | /r/CapableOf | focus in on any one prey
Facets:
Source sentences:
text: There are multiple mechanisms by which being in a group is an advantage to an individual – the confusion effect (making it hard for a predator to focus in on any one prey), the dilution effect (the reduced probability of any one member being eaten), and vigilance benefits (more eyes mean increased likelihood of spotting predators).