Predator helps to create checks on

Competition is best defined as a process in which the fitness of one species (measured in terms of its $' r '$ the intrinsic rate of increase) is significantly

Lower in presence of another superior species

Small fish get stuck near the bottom of a shark and derives its nutrition from it. This kind of association is called as

An association of two species where both the partners derive mutual benefit from each other is

A high density of elephant population in an area can result in