A.Trait mediated actions and interactions are the result of non lethal behaviour changes in a predator animal. Killing less prey means more grass grows.
A.Gravity is created by large masses. Some scientists believe the force is mediated by graviton particles, but these have not yet been detected.
Q.How can I get rid of slugs without slug pellets?
A.Natural deterrents for garden slugs/snails include a garden pond (frogs are natural predators) & encouraging birds to inhabit your garden (provide food).
Q.Why do bats like to fly into your hair?
A.It is not true that bats are attracted to hair. However, bats seeking prey may dive towards mosquitoes and gnats (which tend to hover around people).