Why no predator become proficient in acquiring prey?

‘Resource partitioning’ is an important mechanism which promotes

In an aquarium two herbivorous species of fish are living together and feeding on phytoplanktons. As per the Gause’s Principle, one of the species is to be eliminated in due course of time, but both are surviving well in the aquarium. Give possible reasons.

When the organisms live together in such a manner that one organism is benifitted, while other has no effects, it is called

Which of the following statements regarding species interdependence are true?

$I.$ An Association of two species where one is benefitted and other remains unaffected is called mutualism.

$II.$ An interspecific association where both partners derive benefit from each other is called commensalism.

$III.$ A direct food relation between two species of animals in which one animal kills and feeds on another is referred as predation.

$IV.$ A relationship between two species of organisms where both are partners are

benefitted from each other is called symbiosis