Epiphyte is an example of

Brood parasitism is observed in which of the following?

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.

Select the incorrect match with respect to interspecific interaction:

Species $A$

Species $B$

Interaction

Which of the following is an example of a defense used by plants against herbivores?
$I.$ Production of caffeine,tannin,quinine
$II.$ More production of non-woody tissues
$III.$ Production of hairs,thorns,spines
$IV.$ Production of hormone-like chemicals that interfere with insect metamorphosis
Select the correct pair.

Given below are two statements:
Statement-$I$: For plants,herbivores are the predators.
Statement-$II$: Nearly $25\%$ of all insects are known to be phytophagous.