Which of the following statement regarding species interdependence are true?
I. An association of two species where one is benefited and other remain unaffected is called mutualism.
II. An inter specific 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 animals kills and feeds on another is referred as predation.
IV. A relationship between two of organisms where both the partners are benefited from each other is called symbiosis.
(a) I and II only
(b) III and IV only
(c) I and III only
(d) II and III only
