__________________ refers to the concept that the risk of being preyed upon by a predator is lower inside a larger group because the predator must choose which individual to attack.

The correct answer is: Dilution effect

• Dilution effect is a strategy of prey to reduce the effect of predation
• Dilution effect is the reduction in possibility of an organism to become the prey when it moves in group
• An example of dilution effect is movement of smaller fishes in schools to prevent attack by larger fishes