Which of the following statements regarding species interdependence are true?
$I.$ An association of two species where one is benefited and the 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 to as predation.
$IV.$ $A$ relationship between two species of organisms where both 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